CN101473097A - Stairway for use on building sites - Google Patents

Stairway for use on building sites Download PDF

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Publication number
CN101473097A
CN101473097A CNA2007800229362A CN200780022936A CN101473097A CN 101473097 A CN101473097 A CN 101473097A CN A2007800229362 A CNA2007800229362 A CN A2007800229362A CN 200780022936 A CN200780022936 A CN 200780022936A CN 101473097 A CN101473097 A CN 101473097A
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CN
China
Prior art keywords
run section
stair run
building
stair
platform
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CNA2007800229362A
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Chinese (zh)
Inventor
约翰·克莱门特·普雷斯顿
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Individual
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Individual
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Priority claimed from AU2006903316A external-priority patent/AU2006903316A0/en
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Publication of CN101473097A publication Critical patent/CN101473097A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G27/00Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00Ground or aircraft-carrier-deck installations
    • B64F1/30Ground or aircraft-carrier-deck installations for embarking or disembarking passengers
    • B64F1/315Mobile stairs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Ladders (AREA)
  • Movable Scaffolding (AREA)

Abstract

The invention is a portable, modular stairway unit for use on a building site during construction of a multistorey building, the stairway unit including: a stair run section with a plurality of rise-separated stair treads, the stair run section having an upper and a lower end; an upper landing connected to the stair run section at, or at a distance from, the upper end of the stair run section; a lower landing connected to the stair run section at, or at a distance from, the lower end of the stair run section; wherein each of the landings have portions that extend laterally beyond a width of the stair run section, the landings being devised to extend inwardly into respective upper and lower storey levels of the building when the stairway unit is situated adjacent to a face of the building; and anchoring means arranged to removeably secure the landings, in use, at the upper and lower storey levels thereby to provide a double-cantilevered mounting of the stair run section extending between the two building storey levels.

Description

The stair that are used for the building site
Technical field
The present invention relates to stair, relate in particular to and be suitable for the stair during building construction, building temporarily and use in the building site.
Background technology
The construction worker during building, multi-floor building on the building site, often needs interim stair, so that can move to another layer from one deck of building.
Although the floor of permanent stairways and floor often forms at one time, safe when using the stair of coarse (for example concreting) in order to make the workman, need additional building on the spot, promptly install such as safe things such as railing, non slip floor faces.The more important thing is that the stair well of permanent stairways is usually located in the building or building one end, make during the building operations, when the workman in building during the construction of different positions, need the extra walking time with near stair.If also need be between the floor of building transporting material, so this inconvenience will be more serious, because need coming and going between some remote position.
Provide more efficiently environment for the quickening process and to the construction worker, construction period has all been erected interim stair in a plurality of positions around building, dismantles interim stair then when construction finishes or when permanent stairways is completed and can be used safely again.
For multi-floor building, interim stair operated by rotary motion is on the scaffolding structure that is positioned on the external surface of buildings or its inside.For example, United States Patent (USP) 3,684,057 discloses a kind of portable stairway that includes the step step-portion, and described step step-portion locks releasedly and is mounted to boom support member, and described boom support member and then locking releasedly are fastened to the vertical support of scaffold.Side satellite safing guard rail radial type is attached to support column, and described support column and then pivot are mounted to the step ladder side frame members.
Although have been found that the portable stairway assembly that is included in the scaffold is more and more used in the building field, but the defective of this scaffold staircase structure is that they need outside scaffolding, and be combined with a plurality of additional structure members, specifically be for example to be fixed on the scaffold for combined type being gone on foot ladder.
Another problem that such modular/portable stair exist is that their lack compliance to floor level, promptly they be designed for down floor and adjacent on discrete layer height between the floor level height of floor.The angle of slope of---being the part of a plurality of independent steps (each step all is that the pedal by vertical riser and level limits) with respect to the horizontal plane of being combined with of stair---mainly is subject to centrifugal pump to suppose that norm of construction are the safety standard that each step of stair run section has required minimum dimension, then stair run section.For example, the riser and the pedal of each independent step are fixed, make riser be no more than 215 millimeters, and the extension of pedal is not less than 215 millimeters; In the process of making stair run section, adopt the ratio formula of the riser of stair in the industrial practice to pedal.
In construction industry and transportation industry, it also is known adopting Height Adjustable and highly automated adjustable staircase structure, wherein a plurality of pedals are with parallel classification relationship setting, and are fixed on movably on a pair of opposed longeron, and the terminal connector is transverse to longeron.Longeron and the combination of connector pivot are so that provide support the frame construction of the parallelogram of pedal.As noted, broadstep is crossed between the longeron, thereby stair can be controlled to reach longeron as flexible component and be connected across highly desired gradient of any expection or angle of slope, and pedal keeps approximate horizontal thus, but riser will change according to the variation at angle of slope.The example of this adjustable stairs can be at United States Patent (USP) 3,626, and 438, find in United States Patent (USP) 3,593,821 and the United States Patent (USP) 4,768,617.Should be noted that though these documents all are to describe Height Adjustable staircase structure, in applicant's viewpoint, these structures all can not be as the interim stairway unit between the floor of multi-floor building.
The purpose of this invention is to provide a kind of portable stairway unit that is suitable for being used in during building multi-floor building on the building site, described portable stairway unit can launch under assembled state and regulate with the vicissitudinous building of the height that is used for floor to ceiling.Preferably, this stairway unit should be knockdown in design, and be combined with or adopt fastening structure or fixed structure, described fastening structure or fixed structure to make stairway unit can be temporarily fixed at a building position, and can dismantle like a cork to be used in different positions.
It also is favourable that interim staircase structure is provided, and this interim staircase structure can be fixed to building removably and can not cause structural damage such as the floor of building floor, wall etc. to building components.
Summary of the invention
According to an aspect of the present invention, provide a kind of portable modular stairway unit that is used on the building site during building multi-floor building, this stairway unit comprises:
Stair run section, it has rise a plurality of broadsteps separately, and described stair run section has upper end and bottom;
Upper mounting plate, its described upper end or distance one segment distance place, described upper end in described stair run section is connected to described stair run section;
Lower platform, its described lower end or distance one segment distance place, described bottom in described stair run section is connected to described stair run section;
Wherein each described platform has the part that horizontal expansion exceeds the width of described stair run section, and described podium design enters the corresponding floor level and the following floor level of going up of building for described platform when described stairway unit is located adjacent to the surface of described building extends internally; And
Anchoring device, it is set in use described platform is fixed on described upward floor level and described floor level place down with removably, thus the double cantilever-like that is provided at the described stair run section of extending between two building floor level is installed.
Suppose that described stair can be as prefabricated unit in the location, outer fix place adjacent to building surface, be anchored on floor and following floor with described platform with suitable manner and sentence that stair are made up is in place this moment, and modular stairway then according to the present invention can obtain significant cost savings with regard to the set-up time.
Preferably, at least one in the platform to be can the pivot mode being fixed to described stair run section, thereby make the gradient of described stair run section in use can change.More preferably, each platform is hinged to described stair run section, because will allow described platform to go back to step portion like this so that stair are not combined in when using transports.
Including the stair embodiment that carries out articulation or hinged platform in the upper end of described stair run section and lower end makes same stairway unit to launch at story height (floor that is the building contiguous floors is to the distance between the floor) transformable building place in predetermined close limit and to use.For example, some multi-floor buildings use the story height of the alterable height of floor to ceiling, and the height that for example descends the floor to ceiling of floor is 2,700 millimeters, and the height that last story height can increase to such as floor to ceiling is 2,900 millimeters.
In interchangeable form, in the described platform at least one is fixed to described stair run section in the mode that allows to carry out linear movement along the longitudinal axis of described stair run section, and comprise further described platform be fixed on along the fastening devices at the desired locations place of described stair run section that the described upper mounting plate and the distance between the lower platform at described thus stair run section place can change and be fixed to expectation state.
Especially, described lower platform is set to the angle of slope that the longitudinal axis with respect to described stair run section is maintained fixed, make that when described stair run section moves with respect to described platform the pedal of each step and riser all can keep level and vertical respectively.
In preferred and favourable further embodiment, described stair run section design has a plurality of pedals, described pedal can optionally change and fix by this way with respect to the gradient of the longitudinal axis of described stair run section, this mode is for when described stair run section is extended between adjacent building floor, no matter the angle of slope of described stair run section how, described pedal keeps approximate horizontal.The change of step pedal gradient is preferably by providing coupling mechanism to obtain, this coupling mechanism makes independent pedal articulation each other by this way, and this mode is that the change at the angle of slope of described stair run section will be converted into and make described pedal be adjusted to horizontal attitude automatically.The present invention expects the aufbauprinciple of the known adjustable stair run section shown in the United States Patent (USP) that adopts people such as Cornell, Lister, Mason as the aforementioned.
Preferably, the height-adjustable support member that carries with compress mode when being set to extend between the floor of the respective storey that corresponding platform fix and ceiling provides anchoring device.Use compression support member rather than anchor bolt, hook and ring more commonly used can avoid fabric structure is caused damage, come platform that fixed point or attachment part are provided for modular stairway unit because needn't in fabric structure, hole.Height Adjustable support member is that known being used for is used for fixing template before building building floor and afterwards in the construction industry.Yet, should be noted that, also can adopt such as traditional fastening devicess such as bolts, for example when launching modular stairway, to be used for temporary fixed platform.
Illustrative embodiments of the present invention is described with reference to the accompanying drawings.According to associated description in conjunction with the accompanying drawings, can understand further feature and advantage of the present invention.
Description of drawings
Fig. 1 is the schematic side elevation according to the modular stairway of one embodiment of the present invention, and this modular stairway is installed ground against the external surface of building and between two floors of building;
Fig. 2 is the vertical view of the stair of Fig. 1 of seeing along arrow II direction;
Fig. 3 be along arrow III direction see the end-view of stair of Fig. 1;
Fig. 4 is the lateral view that the stair of Fig. 1 are in transportation or non-extended configuration;
Fig. 5 is the schematic partial side according to the Height Adjustable modular stairway of another embodiment of the invention.
The specific embodiment
Fig. 1 shows modular stairway unit 10, and it is in the outer surface of building and between floor on the building 12 and following floor 14.Be about to specifically described upper mounting plate 16, lower platform 18 below modular stairway unit 10 comprises, extend and be connected in four anchor member 22a of stair run section 20 between platform 16 and 18 and each platform to 22d.
Stair run section 20 roughly comprises a plurality of independent tabular pedals 24, is extended with optional riser 26 between the described pedal 24.The opposite ends place that pedal 24 is suitable on its width supports batten (not shown) with for example United States Patent (USP) 3,788 by pedal, and the known manner described in 028 is fixed and supported.Alternately, can use the adjustable stair extension assembly of step height, such as United States Patent (USP) 3,593,821 or United States Patent (USP) 4, the adjustable stair extension assembly of step height described in 768,617 allows to carry out necessary modifications certainly so that such adjustable stairs extension assembly is incorporated in the design of the present invention.
The also schematically illustrated safety fence structure 28 of Fig. 1, described safety fence structure 28 is fixed to each sidepiece of the broad ways of stair run section 20, thereby provides more protection for the user of modular stairway unit; Can substitute traditional handrail.
Stair run section 20 is by material general in the portable stairway manufacturing industry and parts manufacturing and assembling.Preferably, described parts are by sheet material and shaped steel manufacturing, make that stair 10 can weather proof and firm degree sizable load of being enough to bear during building operations and being experienced.
Find out as knowing from Fig. 2, two platforms 16,18 of basic steel plate for rectangle have respectively at width range separately towards part 16a, a 18a who exceeds stair run section 20 width side-prominently, that is, platform tool is useful on the sponson that stair 10 is fixed to building.In the expansion form of combined unit 10, as illustrated in fig. 1 and 2, terrace part 16a, 18a stretch in the building with the floor 12a of each floor 12 and 14, the relation that 14a is horizontal coplane basically.Upper mounting plate 16 and lower platform 18 all are upper end and the bottoms that is fixed to stair run section 20 in hinged mode (for example using hinge) respectively, thereby in the horizontal alignment that keeps lower platform 18 and upper mounting plate 16 respectively, make whole combined unit to launch to the vicissitudinous building floor gap of the height of ceiling 14b at floor 14a.Should be appreciated that the height between ceiling and the floor is depended in the variation of the angle of slope of stair run section 20 (i).
Whole modular stairway 10 is to rely on altogether eight vertical adjustable compression support member 22a fixingly---promptly to go up floor 12 and lower floor 14---so that two positions and locate to suspend to 22d is detachable, this compression support member 22a is that builing industry is general to 22d, for example the spiral branches support member.Support member 22a consists essentially of tubular pillar to 22c, and end has tabular footing under it, and the external thread part that the opposite upward hollow ends of stay pipe has the pillar head inserts internal thread wherein.Preferably have and make the height of support member can regulate the mechanism of (and tensioning/wedging), described mechanism is positioned at the upper end (top) of unit, with prevent stair between the operating period support member unexpected lax.
As Fig. 1 to 4 findings, each platform 16,18 all is provided with altogether four support member 22a to 22d, thereby bottom and place, top in the stairway unit at building floor place provide stable anchoring device, each support member all is located adjacent to the edge of landing part 16a, 18a thus, thereby guarantees weight contingent bending and the minimizing deformation of platform because of loading on the weight of stair or the stair.Whole device forms the dual cantilever support of stair run section 20 at the building place.
With single support member with known manner---such as by support member being passed the through hole of suitable size on the platform, then platform 16,18 is fixed with respect to the relative position of tubular supporting piece---be fixed to platform 16,18.Preferably, during system's manufacturing, support member is welded on the platform, thereby to provide complete prefabricated unit to make the set-up time minimum.Should be appreciated that immediately, use support member fixing and installation/grappling modular stairway unit 10 between the building floor, fixed grappling/installation site make the installation of whole unit position independently to carry out, because needn't for example be provided in floor in fabric structure.
Can also omit the jack that is used for support member, and replace support member footing welding (or otherwise fixing) on the end face of landing part 16a, 18a; Whole four support member 22a extend to the head of 22d and are bonded on the ceiling surface, further tensioning ground firmly is pressed against the steel terrace part of elastically deformable on the floor surface thus, is right after and closes thereby obtain the reliable friction of platform at the floor place.If desired, the facing that increases friction can be set on the surface of platform 16,18.
From Fig. 1, know and find out, and as being schematically shown in Fig. 2 and 3, each platform all is being provided with L shaped baffle arrangement 30,32 towards the sidepiece away from building, thereby guarantee the user's of stairway unit safety, should be noted that thus, when unit installation and fix in position, baffle plate 30,32 stretches in the building floor.
Fig. 4 illustrates the modular stairway under the travel position, and wherein stair run section 20 and platform 16 and 18 parallel and extensions are flatly transported on platform truck thereby be convenient to modular stairway unit.The combination articulated construction of stairway unit 10 makes this unit to be transported to the building site in preassembled mode, in the building site with crane with this unit outer surface at building in place of slinging.
As mentioned above, in a kind of preferred form, stair run section 20 is the types with Height Adjustable pedal, thereby allows to use the identical story height of combined unit 10 to be used to change.Yet, extend under the vicissitudinous situation in angle of slope (i) of obliquity at the hypothesis stair, pedal basic horizontal in this case, do a certain amount of change can not causing under the unsafe situation of whole stairway unit, then upper mounting plate 16 and lower platform 18 can provide to a certain degree controllability for different story height (in constuction fits) at the articulated mounting at each place, ends of stair run section 20 itself.
Distance between the width of pedal and angle and the pedal preferably should be observed relevant building code or standard.For example, the width of Australia standard AS1657-1992 regulation stair is not less than 600 millimeters, and the angle of slope of stair should be less than 26.5 degree, but must not be greater than 45 degree, the height of each riser should be between 150 millimeters to 215 millimeters, and the length of each pedal should be between 215 millimeters to 305 millimeters.
Fig. 5 illustrates the embodiment of the improved shown in Fig. 1 to 4.Identical Reference numeral used among Fig. 5 refers to identical parts, thereby will these parts not done further specific descriptions here.As previous embodiment, upper mounting plate 16 is hinged to the upper end of stair run section 20, thereby the angle between the imagination fore-and-aft plane (or axis) of permission platform 16 and part 20 (ii) changes.Yet, to compare with previous embodiment, lower platform 18 is fixed to the mode of stair run section 20 for allow the longitudinal axis displacement of this lower platform 18 along part 20 in the aggregate level attitude that keeps landing 18.In order to reach this purpose, landing 18 is provided with support section 32, this support section 32 is limited with sleeve, the following terminal of described stair run section 20 be received in the sleeve with the sleeve slip joint, thereby make whole platform structure 18 to move along the arrow of 20 length along the unit is (iii) upper and lower.Shroud member 32 is suitable for being attached to the side plate or the side lever 34 of stair run section 20, wherein to the roller that is connected to platform 18 orientate as allow platform 18 with respect to and move along bar member 34.When platform 18 during, for example use nut and bolt anchor clamps, alignment pin or bolt etc. to make platform 18 motionless and be fixed to stair run section 20 with respect to stair run section 20 in desired location.Preferably, a series of holes 36 are set, wherein bolt are inserted through support section 32 and enter at least one hole 36 at the diverse location place of the side lever 34 of stair run section 20, thereby in desired location fixed platform 18.
It will be understood by those skilled in the art that the present invention can realize in a different manner under the situation that does not deviate from its spirit and scope.
Any argumentation of included in this manual document, device, decree or knowledge all is to be used to explain content of the present invention.Should not be considered as and admitted that any material is formed in the submission same day of the patent application that this manual relates to or the part of basis of prior art before or the common practise in Australian correlation technique.

Claims (8)

1. portable modular stairway unit that during building multi-floor building, is used on the building site, described stairway unit comprises:
Stair run section, it has rise a plurality of broadsteps separately, and described stair run section has upper end and bottom;
Upper mounting plate, its described upper end or distance one segment distance place, described upper end in described stair run section is connected to described stair run section;
Lower platform, its described lower end or distance one segment distance place, described bottom in described stair run section is connected to described stair run section;
Wherein each described platform has the part that horizontal expansion exceeds the width of described stair run section, and described podium design enters the corresponding floor level and the following floor level of going up of building for described platform when described stairway unit is located adjacent to the surface of described building extends internally; And
Anchoring device, it is set in use described platform is fixed on described upward floor level and described floor level place down with removably, thus the double cantilever-like that is provided at the described stair run section of extending between two building floor level is installed.
2. stairway unit according to claim 1, at least one in the wherein said platform can be fixed to described stair run section with the gradient that allows described stair run section pivotally with respect to the mode of described at least one change in the described platform.
3. stairway unit according to claim 2, each in the wherein said platform all is hinged to the respective end of described stair run section.
4. stairway unit according to claim 1, in the wherein said platform at least one is fixed to described stair run section in the mode that allows to carry out linear movement along the longitudinal axis of described stair run section, and comprise further described platform be fixed on along the fastening devices at the desired locations place of described stair run section that the described upper mounting plate and the distance between the lower platform at described thus stair run section place can change and be fixed to expectation state.
5. stairway unit according to claim 4, wherein said lower platform are set to the angle of slope that the longitudinal axis with respect to described stair run section is maintained fixed.
6. according to claim 4 or 5 described stairway unit, wherein said stair run section comprises along the isolated discrete fixed point of the longitudinal extent of described stair run section.
7. according to each described stairway unit in the aforementioned claim, further comprise becoming predetermined angle to carry out stationary device with respect to described stair run section described upper mounting plate.
8. stairway unit according to claim 7, wherein said predetermined angle become about 26.5 to spend to 45 degree with horizontal plane.
CNA2007800229362A 2006-06-20 2007-06-20 Stairway for use on building sites Pending CN101473097A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2006903316 2006-06-20
AU2006903316A AU2006903316A0 (en) 2006-06-20 Stairway For Use On Building Sites

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CN101473097A true CN101473097A (en) 2009-07-01

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US (1) US20100293875A1 (en)
EP (1) EP2029835A4 (en)
JP (1) JP2009541612A (en)
KR (1) KR20090028716A (en)
CN (1) CN101473097A (en)
AU (1) AU2007262663A1 (en)
BR (1) BRPI0713495A2 (en)
CA (1) CA2655377A1 (en)
RU (1) RU2009101481A (en)
TW (1) TW200809061A (en)
WO (1) WO2007147210A1 (en)
ZA (1) ZA200810634B (en)

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CN105600176A (en) * 2015-10-20 2016-05-25 张跃 Stair board transportation assembly
CN112081320A (en) * 2020-08-27 2020-12-15 衡东县佳时鸿丰建材有限责任公司 Adjustable wood stair and use method thereof

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CN102363483A (en) * 2011-06-29 2012-02-29 苏州新达电扶梯部件有限公司 Elevator guardrail inclined baffle
CN105600176A (en) * 2015-10-20 2016-05-25 张跃 Stair board transportation assembly
CN112081320A (en) * 2020-08-27 2020-12-15 衡东县佳时鸿丰建材有限责任公司 Adjustable wood stair and use method thereof

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KR20090028716A (en) 2009-03-19
ZA200810634B (en) 2009-08-26
JP2009541612A (en) 2009-11-26
RU2009101481A (en) 2010-07-27
EP2029835A1 (en) 2009-03-04
CA2655377A1 (en) 2007-12-27
AU2007262663A1 (en) 2007-12-27
EP2029835A4 (en) 2010-08-18
BRPI0713495A2 (en) 2012-01-24
TW200809061A (en) 2008-02-16
US20100293875A1 (en) 2010-11-25

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