WO2006064068A1 - Mesa plegable - Google Patents
Mesa plegable Download PDFInfo
- Publication number
- WO2006064068A1 WO2006064068A1 PCT/ES2005/000675 ES2005000675W WO2006064068A1 WO 2006064068 A1 WO2006064068 A1 WO 2006064068A1 ES 2005000675 W ES2005000675 W ES 2005000675W WO 2006064068 A1 WO2006064068 A1 WO 2006064068A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- halves
- board
- articulated
- legs
- support
- Prior art date
Links
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B25/00—Card tables; Tables for other games
- A47B25/003—Card tables; Tables for other games for table tennis
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B3/00—Folding or stowable tables
- A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
- A47B3/083—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves
- A47B3/087—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves with struts supporting the legs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B3/00—Folding or stowable tables
- A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
- A47B3/091—Folding or stowable tables with legs pivoted to top or underframe with struts supporting the legs
- A47B3/0911—Folding or stowable tables with legs pivoted to top or underframe with struts supporting the legs the struts being permanently connected to top and leg or underframe and leg
Definitions
- the present invention relates to the technical sector of folding tables. It refers more specifically to a folding table of the type comprising a board formed by two halves articulated with respect to each other, both halves being able to be extended forming a single plane, or folded with respect to each other. , and a frame by the lower part of the board for the support of the table on the floor at the appropriate height.
- the present invention finds particular application in a folding table of the type mentioned above and adapted for the practice of table tennis or ping-pong.
- table tennis tables have the possibility of being folded in half, so that each of the halves is in an upright position and next to each other. In this way it is achieved that once the game is finished, the space occupied by the board is reduced to the maximum, being able to be occupied by other elements or for another activity. Except in fixed competition facilities, or simply recreational, it is advisable that the tables are foldable and light, to allow easy removal and free space occupied.
- folding tables there are several types of folding tables in the current technique. Among them we can mention the utility model ES256416 in which an infected frame is claimed rior very bulky and not foldable. The folding part claimed for this table is the board.
- Utility model application number U0208534 describes a folding ping-pong table in which the structures of the legs are folded inwards by means of telescopic arms.
- This type of mechanism widely known in various industrial sectors, requires a certain manufacturing complexity and is not robust enough especially when the table must be folded and extended frequently.
- the present invention presents an alternative mechanism applied to the ping-pong tables so that they can be folded in a simple and fast way. At the same time, this mechanism is simple to manufacture and the result is a folding ping-pong table that, once folded, occupies a minimum space and is easy to store and transport.
- the object of the present invention is a folding table of the aforementioned type, which in essence is characterized in that the two halves are articulated with respect to each other on hinges located in the area of union of the two halves of the board ; and because the frame comprises at least two symmetrical support assemblies with respect to the imaginary plane that is perpendicular to the plane of the extended board and that passes through the axis of articulation of the two halves of the board, each support assembly being provided with at least two legs articulated by their upper part with respect to the corresponding half of the board, and at least one upright connected in an articulated way by one end with one of the legs and, also in an articulated way, by the other end with the other half of the board, at a certain distance from the articulation of the two halves of the board, so that, in each con- together with support, the leg, the amount, the segment of a half that is between the joint and the joint, and the segment of the other half that is between the joint and the joint determine an articulated quadrilateral
- each support assembly the lengths of its elements are such that they substantially verify the relationship that the sum of the lengths of the amount plus the section of the board that goes from the articulation of the two halves of the board to the point of articulation of the post with the board is equal to the sum of the lengths of the segment that goes from the point of fixation of the post to the leg to the upper articulated end of said leg plus the segment that goes from said articulated upper end of The leg until the articulation of the two halves of the board.
- the pin axis of the hinges is located, in the unfolded position of the table, below the level of the plane formed by the two deployed halves, and in the vertical plane defined by the adjacent edges. of the halves of the table, the two halves remaining, in the folded position of the table, superimposed in parallel for transport or storage.
- the two halves are at a distance less than 110 mm.
- each support assembly comprises a stiffening cross member that joins at least two of the legs of said assembly.
- the at least one upright is connected in an articulated way at one end with the corresponding crossbar and at the other end, also in an articulated way, with the other half of the board, at a certain distance of the articulation of the two halves.
- the legs comprise corresponding wheels on their end of support on the ground.
- the table comprises central support legs, located at each end of the joint and that collaborate with the legs in the support of the table on the floor and that receive the support in articulation of the axis pivot pin of the hinges and of the table.
- the support legs will be slightly outside the perimeter of the game board.
- This feature allows a ping pong table to be highly robust, which allows you to comfortably exceed the minimum 80 kg mentioned above.
- each central support leg is provided with a safety system, which comprises a sliding bushing that frictionally slides through a vertical bar of said central leg, each bushing being provided with at least two support arms that are fixed, at one end, articulated, to the bushing, and, at the other end, articulated and slidable, to the lower face of a respective board half.
- This security system works similar to the rod structure of an umbrella and offers a friction between the bushing and the vertical bar of the central leg, which prevents the abrupt fall of the folded or semi-folded table.
- a click system of the bushes with respect to the bar of the leg can fix the folded position of the table, so that it is provided with both active and passive safety systems.
- the table comprises a vertical network located on the axis of articulation of the two halves of the board so that both the net and the whole table have dimensions and configuration suitable for the practice of tennis Table or ping-pong.
- the vertical fastening posts of the network are fixed to the upper parts of the central support legs.
- the vertical posts are removable with respect to the upper parts of the central legs.
- the vertical posts are preferably adjustable in height and separation distance, to modify the tension of the network.
- the folding table comprises two "T" coupling pieces, with three coupling points respectively for the corresponding end of the central hinge assembly, the base of the corresponding vertical post of the network and the upper part of the corresponding central support leg, said coupling parts being provided with a gradation of shape from a substantially circular cross section to a substantially oval cross section in correspondence with the respective cross sections of the central support legs and the central hinge assembly.
- each of the wheels is rotatable by the point at which it joins each of the respective legs so that said wheels have at least three fixed positions with respect to the playing position: at 0 ° , at 90 ° and 180 °.
- the modular constitution and functionality of the elements of the table according to the present invention allow the manufacture thereof entirely in plastic, with the consequent advantage that the joints can be by riveting, which is a very fast procedure, Economical and safe.
- the table can be manufactured in subsets and / or modules, which facilitates logistics and can simplify the batch production process.
- Fig. 1 is a plan view of the folding ping-pong table of the present invention
- Fig. 2 is a front view of the ping-pong table of the present invention folded
- Fig. 3 is a side view of the ping-pong table according to the present invention in an intermediate state between the extension of the board and the folding of the same;
- Fig. 4 is a side view of the ping-pong table of the present invention fully folded
- Fig. 4b is a side view of the ping-pong table without the covers of the central support legs;
- Fig. 5 is a side view of the ping-pong table of the present invention fully deployed
- Fig. 6 is a perspective view of the lower part of the table of the present invention
- Fig. 7 is a longitudinal cross-sectional view of the folding table of the present invention
- Figs. 8, 9 and 10 are details of the friction folding system with bushing, shown in Fig. 7, in the positions of total, semi-folded and total folding of the table respectively
- Fig. 11 is an exploded view of the central hinge assembly, the central support legs and the "T" coupling pieces of the table of the present invention.
- Fig. 1 a plan view of the deployed ping-pong table 1 is observed as presented for the practice of the game. Obviously, this condition is irrelevant in terms of the advantages provided by the present invention since the standardized measures of the board condition the space that will occupy any regulatory table and the mentioned figure is shown for illustrative purposes.
- the folding table 1 comprises a board formed by two halves 2; 2 ', articulated on two hinges 18, one at each side end of the table 1, particularly visible in Fig. 6.
- the halves 2, 2' can be placed extended forming a single plane, or be superimposed in parallel to its transport or storage, and a frame by the lower part of the board for the support of the table on the floor at the appropriate height.
- the numerical references designate equivalent and symmetrical elements in both halves of the structure of the table 1 although differentiated with the symbol (').
- the two halves 2, 2 'of the table 1 adopt the same reference (2) with the only difference just mentioned.
- the folding mechanism located under table 1, can best be seen in Fig. 3.
- Said folding mechanism constitutes at the same time the support frame of table 1. It is essentially constituted by two articulated quadrilateral structures which are known in other industrial and mechanical sectors. Each half 2, 2 'of the table 1 has a corresponding articulated quadrilateral.
- the quadrilateral is constituted by leg 5 or 6, the pillar 7, the segment CD (where C is the point of articulation of said pillar 7 with respect to the opposite half 2 'of the board ) and segment AD (where A is the point of articulation of leg 5 or 6 with respect to the corresponding half 2 of the board).
- leg 5 or 6 One of the segments has been defined as the leg 5 or 6 because the post 7 can be fixed to the end of any of the two legs 5, 6, or, as will be seen later, it can be fixed to a stiffening crossbar 9 (optional but preferred) that joins both legs 5, 6; It is also possible that the table 1 has a greater number of uprights 7 depending on the desired mechanical strength for the materials with which the table 1 is constructed in each case. All these elements can be seen more clearly in Fig. 6 in which the lower part of table 1 is observed.
- the same articulated quadrilateral structure is repeated symmetrically for the other half 2 'of the table 1.
- the four vertices A, B, C, D (or A', B ', C, D where appropriate) of the quadrilateral are points of articulation of the corresponding segments that constitute the sides thereof so that the structure can be folded with the sides of the quadrilateral being superimposed two by two.
- B'C + CD BTV + A'D for the other.
- Points C and C correspond to the joints of the uprights 7, 7 ', 8 and 8' in the hinges 18 of both halves 2 and 2 '.
- the pin axis 19 of the hinges 18 is located, in the unfolded position of the table, below the level of the plane formed by the two halves 2, 2 'deployed, and in the vertical plane defined by the adjacent edges of the halves of the table 1. This allows that when the table 1 is folded, the two halves 2, 2 'remain, in the folded position of the table 1, (Fig.
- Fig. 4 shows a side view of table 1 of Fig. 3 in a condition of total folding.
- Fig. 4b where the covers of the central legs 12, 12 'have been omitted for the sake of clarity
- the space occupied by the table 1 is minimized, being able to keep it in any free place in a house or, for example, sports facilities.
- the angled configuration of the bases of the legs 5, 5 ', 6, 6' allows sufficient stability to the table 1 to easily transport it to the desired place. It can be seen that the total thickness of the folded table 1 turns out to be only slightly greater than that of the sum of the two halves 2, 2 'of the board.
- Figure 1 shows the fully deployed table 1 and in said figure the double articulated quadrilateral structure of vertices A, B 1 C and D, and A ', B', C and D, respectively, can be seen more clearly.
- the materials from which the structure of the quadrilateral or frame of the table 1 is made are not essential for the purpose of the invention although it is desirable to make use of light materials, to facilitate the transport of the table 1 and essential to achieve an economic and easy assembly of table 1.
- the connection or the shape of the elements that constitute the articulated quadrilaterals of said frame are not essential either but the fundamental aspect is the existence of two structures Complementary articulated quadrilateral that, with the geometric conditions established above, allow a total folding of the table 1.
- tables 1 of this type Another aspect to be taken into account in tables 1 of this type is the ability to move or transport them as easily as possible.
- the table 1 has a set of wheels 10, 10 ', 11, 11' correspondingly arranged in the lower ends of the legs 5, 5 ', 6, 6'. Once the table 1 is fully folded, it can be moved more easily and occupying a small space.
- the preferred embodiment of the invention also includes two central support legs 12, 12 'that improve the stability of the table 1 when it is in the deployed operating state. These central legs 12, 12 'are linked by a transverse bar constituting the pin axis 19 of the hinges 18, and can be as robust as desired according to the additional stability desired for the table depending on the materials used in each case.
- the legs 12, 12 receive the support in articulation of the bar of the pin axis 19 of rotation of the hinges 18 and, consequently of rotation of the table for its folding-unfolding.
- the central legs 12, 12 'can also constitute a decorative element and, therefore commercially attractive, for the sides of the table 1, especially when it is folded, hiding said legs 12, 12' the view of the part bottom of the table 1.
- the upper parts of the central legs 12, 12 'can act as a support for the support posts 13, 13' of the network 3 and, In another alternative of the invention, said posts 13, 13 'can be removable with respect to said legs 12, 12'.
- the vertical posts 13; 13 ' are adjustable in height and separation distance, to modify the tension of the network, through retention means 21 and 22 (Fig. 11).
- the poles 13 and 13 ' are also provided to perform the function of an aid handle in the manipulation of the folding and unfolding of the table 1.
- Another advantage of the table 1 of the present invention is that the folding system allows folding the table 1 so that the playing surfaces are facing outwards. This capacity facilitates the folding operation because, for it, it is only necessary to perform a pushing force, thanks to the wheels 10, 10 ', 11, 11' of the legs 5, 5 ', 6, 6', and not a lifting or lifting force to raise each half 2, 2 'of the table 1.
- Figs. 7 to 10 specifically serve to show the friction folding system with a bushing 14, 14 '.
- Each of the legs 12, 12 ' is provided with a bushing 14, 14' frictionally coupled to a respective vertical bar 20, of each leg 12, 12 ', along and outside of which they can slide.
- This bushing 14, 14 ' is slidable along each leg 12, 12' so that the folding and unfolding of the table 1 is facilitated, when these occur smoothly, thanks to the friction of the corresponding bushing 14, 14 ' with the leg 12, 12 'in which it is mounted, and to a pair of respective support arms 15, 16, 15', 16 'that articulate each bush 14, 14' in an articulated manner with the two halves 2, 2 'of the board.
- Each bushing 14, 14 ' is additionally provided with an inner bushing 23, 23'.
- the arms 15, 16, 15 ', 16' are slidable, by the end fixedly articulated to the table 1, on the lower part of said table 1.
- Said bushing assembly 14, 14 'and support arms 15 , 16, 15 ', 16' can be seen in an exploded view in the following Fig. 11.
- a safety lever 24 can also be seen, in the form of a "Z”, operated by a spring and which it is locked in the corresponding safety position by means of a click type coupling. In said safety position, the accidental opening of the table 1 is avoided in order to prevent possible accidents or injuries of the user.
- the droppers 14, 14 ' are in their lower position (Fig. 10), in which they are blocked by corresponding click systems with respect to the bars 20.
- each of the wheels 10, 11; 10 ', 11' is rotatable at the point where it joins each of the respective legs 5, 6; 5 ', 6' and includes means for fixing the angular position of the wheel in at least three fixed positions with respect to the playing position: at 0 or (normal playing position), at 90 ° (position packing and transport) and 180 ° (play position for disabled people with wheelchairs).
- These fixing means can be constituted by interlocking systems in fixed rotation positions of conventional type.
Landscapes
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/721,640 US20090176605A1 (en) | 2004-12-13 | 2005-12-13 | Folding table |
MX2007007053A MX2007007053A (es) | 2004-12-13 | 2005-12-13 | Mesa plegable. |
EP05826511A EP1829462A1 (en) | 2004-12-13 | 2005-12-13 | Folding table |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200402953A ES2255447B1 (es) | 2004-12-13 | 2004-12-13 | Mesa plegable. |
ESP200402953 | 2004-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006064068A1 true WO2006064068A1 (es) | 2006-06-22 |
Family
ID=36587564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2005/000675 WO2006064068A1 (es) | 2004-12-13 | 2005-12-13 | Mesa plegable |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090176605A1 (es) |
EP (1) | EP1829462A1 (es) |
CN (1) | CN101141899A (es) |
ES (1) | ES2255447B1 (es) |
MX (1) | MX2007007053A (es) |
WO (1) | WO2006064068A1 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2446782B (en) * | 2007-02-23 | 2011-06-15 | Fwt | Folding trampoline |
US8573139B2 (en) * | 2010-02-03 | 2013-11-05 | Lifetime Products, Inc. | Table |
DE202012001494U1 (de) | 2012-02-14 | 2012-02-28 | Heinz Kettler Gmbh & Co. Kg | Haltevorrichtung für ein Netz einer Tischtennisvorrichtung |
FR2987245B1 (fr) * | 2012-02-28 | 2016-09-09 | Tente Roulettes Polymeres - Bruandet | Table pour tennis de table |
US9919193B2 (en) * | 2016-05-02 | 2018-03-20 | Jared De Santis | Ping pong table |
KR102091492B1 (ko) * | 2018-04-26 | 2020-03-20 | 주식회사 엑시옴 | 저면공간의 확보가 가능한 접이식 탁구대 |
KR102176984B1 (ko) * | 2019-08-06 | 2020-11-10 | 주식회사 엑시옴 | 저면공간의 확보가 가능한 접이식 탁구대 |
FR3107819A1 (fr) | 2020-03-05 | 2021-09-10 | Carrefour | Table pliante à jambe centrale rabattable |
USD958280S1 (en) | 2020-06-08 | 2022-07-19 | Cornilleau Sas | Table tennis table |
FR3114015B1 (fr) * | 2020-09-17 | 2023-11-17 | Decathlon Sa | Installation pour la pratique du tennis de table |
CN113827040B (zh) * | 2021-09-07 | 2023-05-30 | 方晓华 | 一种中小学生用防护应急安全课桌 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730417A (en) * | 1953-07-08 | 1956-01-10 | Mitchell Mfg Company | Leg and bracing mechanism for sectional folding tables or the like |
US3557720A (en) * | 1969-01-17 | 1971-01-26 | Mitchell Mfg Co | Portable folding tables |
US3884160A (en) * | 1973-11-23 | 1975-05-20 | Julian Gutierrez | Folding table center leg structure |
DE4334276A1 (de) * | 1993-10-08 | 1995-04-13 | Wilkhahn Wilkening & Hahne | Klapptisch |
FR2809965A3 (fr) * | 2000-06-09 | 2001-12-14 | E R Rovera S P A | Table de tennis de table pliable |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2725987A (en) * | 1952-07-11 | 1955-12-06 | Howe Folding Furniture Inc | Folding shelf construction for folding tables |
US2709631A (en) * | 1953-06-01 | 1955-05-31 | Charles C Covucci | Folding sectional top table |
US2738664A (en) * | 1955-04-18 | 1956-03-20 | United Shoe Machinery Corp | Collapsible leather workpiece supports |
US3080834A (en) * | 1961-02-24 | 1963-03-12 | Peabody Seating Company Inc | Foldable furniture |
GB1052619A (es) * | 1964-12-15 | |||
US4026221A (en) * | 1975-10-29 | 1977-05-31 | Sico Incorporated | Multi-leg mobile folding stage |
US4054096A (en) * | 1976-04-06 | 1977-10-18 | Sico Incorporated | Mobile elevationally adjustable stage |
US4027600A (en) * | 1976-06-17 | 1977-06-07 | American Hospital Supply Corporation | Combination safety stop and down lock for folding tables |
US6164016A (en) * | 1997-08-01 | 2000-12-26 | Sico Incorporated | Deck connector |
US6065802A (en) * | 1998-04-08 | 2000-05-23 | Sico Incorporated | Folding table and seating apparatus |
US6164017A (en) * | 1999-01-06 | 2000-12-26 | Sico Incorporated | Adjustable linkage |
US6223661B1 (en) * | 1999-11-16 | 2001-05-01 | Krueger International, Inc. | Folding roll-away table |
US7069865B2 (en) * | 2002-04-09 | 2006-07-04 | Lifetime Products, Inc. | High strength, lightweight blow-molded plastic structures |
US20040079261A1 (en) * | 2002-10-29 | 2004-04-29 | Sportcraft, Ltd. | Four piece foldable table tennis table |
US7171911B1 (en) * | 2003-02-26 | 2007-02-06 | Midwest Folding Products | Mobile folding table having a lifting assist center torsion bar and lift off casters |
-
2004
- 2004-12-13 ES ES200402953A patent/ES2255447B1/es not_active Expired - Fee Related
-
2005
- 2005-12-13 CN CNA2005800480277A patent/CN101141899A/zh active Pending
- 2005-12-13 WO PCT/ES2005/000675 patent/WO2006064068A1/es active Application Filing
- 2005-12-13 MX MX2007007053A patent/MX2007007053A/es not_active Application Discontinuation
- 2005-12-13 EP EP05826511A patent/EP1829462A1/en not_active Withdrawn
- 2005-12-13 US US11/721,640 patent/US20090176605A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730417A (en) * | 1953-07-08 | 1956-01-10 | Mitchell Mfg Company | Leg and bracing mechanism for sectional folding tables or the like |
US3557720A (en) * | 1969-01-17 | 1971-01-26 | Mitchell Mfg Co | Portable folding tables |
US3884160A (en) * | 1973-11-23 | 1975-05-20 | Julian Gutierrez | Folding table center leg structure |
DE4334276A1 (de) * | 1993-10-08 | 1995-04-13 | Wilkhahn Wilkening & Hahne | Klapptisch |
FR2809965A3 (fr) * | 2000-06-09 | 2001-12-14 | E R Rovera S P A | Table de tennis de table pliable |
Also Published As
Publication number | Publication date |
---|---|
MX2007007053A (es) | 2007-11-22 |
EP1829462A1 (en) | 2007-09-05 |
CN101141899A (zh) | 2008-03-12 |
US20090176605A1 (en) | 2009-07-09 |
ES2255447B1 (es) | 2007-08-01 |
ES2255447A1 (es) | 2006-06-16 |
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