CN106925939A - The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle - Google Patents
The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle Download PDFInfo
- Publication number
- CN106925939A CN106925939A CN201511019302.4A CN201511019302A CN106925939A CN 106925939 A CN106925939 A CN 106925939A CN 201511019302 A CN201511019302 A CN 201511019302A CN 106925939 A CN106925939 A CN 106925939A
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- China
- Prior art keywords
- gudgeon
- online
- bag cage
- cage shoe
- ultrasonic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 241001125879 Gobio Species 0.000 claims abstract description 75
- 238000003466 welding Methods 0.000 claims abstract description 28
- 238000005476 soldering Methods 0.000 claims abstract description 19
- 238000002525 ultrasonication Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 abstract description 18
- 229910052751 metal Inorganic materials 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000006835 compression Effects 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 206010068150 Acoustic shock Diseases 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002635 electroconvulsive therapy Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention provides a kind of online prosthetic device of bag cage shoe axle, including welder, for carrying out soldering filling to the damaged gudgeon;With ultrasonic impact device, for carrying out ultrasonication at the welding filling to the damaged gudgeon.The scaling loss and micro-crack that gudgeon occurs in the present invention carry out soldering filling, then with ultrasonic impact to being processed at soldering, so as to eliminate the welding stress that gudgeon inside is present, and produce a kind of metal structure for only existing compression, evade the possibility cracked from inside gudgeon, meanwhile, intensity metal structure higher is obtained, extend gudgeon service life.A variety of drawbacks of the replacing gudgeon of prior art presence can be solved, and substantially reduces production cost.The present invention also provides a kind of online restorative procedure of bag cage shoe axle simultaneously.
Description
Technical field
The invention belongs to metallurgical machinery equipment reparation, the technical field such as remanufacture, specifically, the present invention
It is related to the online prosthetic device and online restorative procedure of a kind of bag cage shoe axle.
Background technology
In modern field of metallurgy, in production process accumulating molten steel and molten iron it is most widely used be steel ladle and
Hot-metal bottle.In steel ladle and this kind of steel construction Vessel Design of hot-metal bottle and manufacturing process, trunnion configuration is
Using the most universal.
Used as the important component of steel construction container hoist tool, gudgeon has for ensureing production safety
Highly important meaning, but during handling, gudgeon is subject to shear-type load and temperature field stress for a long time
The effect of change, and higher by probability that molten slag corrodes so that gudgeon not still whole steel knot
Structure container is mostly important, and is most flimsy part.
Safe status and its particularity of material due to gudgeon, the gudgeon being damaged is not allow to take
What other means were repaired, if being repaired, tendency easily is cracked from reparation position, cause
Gudgeon is broken, and brings bigger potential safety hazard, to there is damaged gudgeon, can only scrap, or change.
Therefore, the operation that steel ladle, hot-metal bottle change gudgeon is frequently encountered in production, due to gudgeon Renewal process
Ensure the operation such as coaxial including removing old gudgeon, Boring machine processing gudgeon hole, and new gudgeon manufacturing process is needed
By multiple operations such as forging and stamping, machining, quenched, flaw detection, high processing costs, the production cycle is long, make
Quantity into online military service bag tank increases, and spare part cost of capital increases.
Repairing the mode of bag cage shoe axle currently on the market has many kinds, and such as applying date is July 12 in 2012
Day, Application No. 201210241614.X, entitled " a kind of restorative procedure for trunnion of converter "
Patent document, the restorative procedure includes:1) top chock is pulled down, converter jack-up, and dismounting has been damaged
Split bearing and its both sides ball pad;2) inner ring and the ball pad with material hole are assembled;3) along gudgeon
Radial direction adjustment inner ring, to ensure that inner ring is positioned at the position with trunnion, then fix inner ring;4)
Bonding agent is set and ball pad and inner ring between ball pad and gudgeon, to block between ball pad and gudgeon and
Gap between ball pad and inner ring;5) space encircled a city to gudgeon, inner ring and ball pad by above-mentioned material hole
Metal repairing agent is inside pumped into, and makes to fill up metal repairing agent in above-mentioned space;6) to the gold in above-mentioned space
Category healant is incubated, so that it solidifies.The restorative procedure that the patent document is provided can reduce gudgeon
Rehabilitation cost.The patent document is repaired by way of changing, and the patent document is repaiied
Compound formula needs multiple operations, directly results in high processing costs, the production cycle is long, cause online bag of being on active service
The quantity of tank increases, and spare part cost of capital increases, that is to say, that the patent document can not be substantive
It is cost-effective.
By upper analysis, it is known that the gudgeon repair mode of prior art has following characteristics and defect:
1st, the gudgeon cycle is changed long.The gudgeon repair mode of prior art needs multiple working procedure, directly increases
Change time of gudgeon.
2nd, holistic cost is high.The gudgeon repair mode of prior art although with it is cost-effective be its purpose,
But because the quantity for needing online military service bag tank increases, so being unable to reach the cost-effective effect of essence.
The content of the invention
It is an object of the invention to provide the online prosthetic device and online restorative procedure of a kind of bag cage shoe axle,
The problems such as gudgeon cycle is long, holistic cost is high is changed to solve bag tank.
To achieve these goals, the present invention provides following technical scheme:
A kind of online prosthetic device of bag cage shoe axle, including welder, for the damaged gudgeon
Carry out soldering filling;With ultrasonic impact device, for being carried out at the welding filling to the damaged gudgeon
Ultrasonication.
In the online prosthetic device of above-mentioned bag cage shoe axle, it is preferable that the ultrasonic impact device includes:
Ultrasonic impact gun, for carrying out ultrasonication at the welding filling to the damaged gudgeon;And control
Case, is connected with the ultrasonic impact gun by cable.
In the online prosthetic device of above-mentioned bag cage shoe axle, it is preferable that the ultrasonic impact device it is super
The frequency of acoustic shock treatment is more than 20,000 times per second.
Meanwhile, the present invention also provides a kind of online restorative procedure of bag cage shoe axle, and it is comprised the following steps:
Step one, the method using welding, the scaling loss and micro-crack occurred to the gudgeon carry out soldering and fill out
Fill;
Step 2, to carrying out ultrasonic implement treatment at the soldering filling, eliminate the gudgeon inside and exist
Welding stress.
In the online restorative procedure of above-mentioned bag cage shoe axle, it is preferable that the frequency of the ultrasonic implement treatment
It is more than 20,000 times per second.
In the online restorative procedure of above-mentioned bag cage shoe axle, it is preferable that when carrying out the ultrasonic implement treatment,
Also include that butt welding toe position carries out ultrasonic implement treatment.
Analysis understands that method of the present invention using welding, the scaling loss and micro-crack that gudgeon is occurred is welded
Filling is mended, then with ultrasonic impact to being processed at soldering, so as to eliminate the welding that gudgeon inside is present
Stress, and produce a kind of metal structure for only existing compression, evade cracked from inside gudgeon can
Can property, a variety of drawbacks of the replacing gudgeon of prior art presence can be solved, and substantially reduce and be produced into
This.Generally, the present invention takes full advantage of the mode that solder technology and ultrasonic impact technology are combined
Gudgeon is repaired online, solder technology is combined and the respective advantage of ultrasonic impact technology is right to realize
The reparation of gudgeon so that the gudgeon after reparation is not in the problem of welding stress, obtains intensity higher
Metal structure, extends gudgeon service life.
Brief description of the drawings
Fig. 1 is the structural representation of the online prosthetic device of the bag cage shoe axle of the preferred embodiment of the present invention.
In figure, 1- bag tanks;2- gudgeons;3- welders;4- ultrasonic impact devices;41- ultrasonic impact guns;
42- control cabinets.
Specific embodiment
The present invention is described in further details with reference to specific embodiment.
It is long for the replacing cycle of gudgeon 2 of the bag such as steel ladle, hot-metal bottle tank 1, the present situation of production is restricted, this
Invention provides a kind of online prosthetic device of bag cage shoe axle, and it mainly includes welder 3, for right
Damaged gudgeon 2 carries out soldering filling;With ultrasonic impact device 4, for the weldering to damaged gudgeon 2
Connecing carries out ultrasonication at filling.
Specifically, the online prosthetic device of the bag cage shoe axle that the present invention is provided, needs to repair in discovery gudgeon
When multiple, the scaling loss and micro-crack first occurred to gudgeon 2 by welder 3 carry out soldering filling;In weldering
After benefit, can there is welding stress in the inside of gudgeon 2, may result in the inside of gudgeon 2 there may be splitting
Ultrasonication is carried out at line, then welding filling by ultrasonic impact device 4 to gudgeon 2 and eliminates gudgeon
The welding stress that 2 inside are present, produces a kind of metal structure for only existing compression, has evaded from gudgeon 2
The possibility that cracks of inside, obtain intensity metal structure higher;A kind of height can so be obtained
Intensity, the welded joint structure of high pressure stress effect, make gudgeon 2 occur to break by being cracked after reparation
The risk split levels off to zero, effectively extends the service life of bag cage shoe axle, greatly reduces production cost.
In the present invention, as shown in figure 1, ultrasonic impact device 4 includes ultrasonic impact gun 41, for right
Ultrasonication is carried out at the welding filling of damaged gudgeon 2;With control cabinet 42, with ultrasonic impact gun 41
It is connected by cable.
In order to carry out effective ultrasonication, ultrasound of the invention at the welding filling to gudgeon 2
The frequency of the ultrasonic implement treatment of percussion mechanism 4 is at least 20,000 times per second, that is to say, that ultrasonic impact gun
The frequency of 41 ultrasonic implement treatment is at least 20,000 times per second.
Meanwhile, present invention also offers a kind of restorative procedure of bag cage shoe axle, it uses the method for welding,
The scaling loss and micro-crack occurred to gudgeon carry out soldering filling, and soldering is filled out with ultrasonic impact device 4 then
Processed at benefit, eliminated the welding stress that the inside of gudgeon 2 is present, produce one kind to only exist compression
Metal structure, it is to avoid the possibility that the inside of gudgeon 2 cracks, while obtaining intensity gold higher
Category tissue.
Specifically, it is found that when gudgeon needs to repair, using the method for welding, the burning occurred to gudgeon 2
Damage and micro-crack carries out soldering filling.
To carrying out ultrasonic implement treatment at soldering, it is preferable that the frequency of ultrasonic implement treatment is at least per second
20000 times.The position of ultrasonic implement treatment not only carries out ultrasonically treated, and butt welding to soldering filling part position
Toe position is also carried out processing ultrasonic implement treatment.
Research shows why the inside of gudgeon 2 crackle occurs, because the inside of gudgeon 2 is present very
Big internal stress, tension is a kind of form of expression of internal stress, when internal tension is more than its material
Tensile strength when, gudgeon 2 will be broken, crack.Ultrasonic implement treatment can make metal
Top layer produces larger compressive plastic deformation.Meanwhile, ultrasonic impact can change original stress field, produce
The beneficial compression of life, not only eliminates the tension inside gudgeon 2, but also produce one kind to be conducive to ear
The compression of axle tissue, improves the fatigue behaviour of welding point and structure, the wind for being broken gudgeon 2
Danger substantially reduces.
Ultrasonic impact device category is more, in the present invention, carries out the ultrasonic impact dress of ultrasonic implement treatment
Putting 4 should include ultrasonic impact gun 41, control power supply box 42.It utilizes powerful energy to promote ultrasound punching
Hit the impact head of rifle 41 and metal object surface impacted with the frequency of more than 20,000 times per second, high frequency, efficiently and
The big energy for focusing on makes metal surface produce larger compressive plastic deformation.Meanwhile, ultrasonic impact changes former
Some stress fields, produce beneficial compression.Metallic surface temperature is very fast under high energy impact events raises and fast
Quickly cooling but, makes active region coating metal tissue change, and impact site is strengthened.
In addition, often having the defects such as slag at the near surface of toe of weld position, it is easily caused fatigue crack and germinates in advance.
Ultrasonic implement treatment toe of weld position after soldering, is allowed to seamlessly transit, so as to reduce the stress collection that reinforcement is caused
In, eliminate the defect on toe of weld surface.Meanwhile, welding toe is produced larger compressive plastic deformation, so that
The compressive residual stress of certain numerical value is produced, Residual stresses are adjusted.And obtain toe of weld part material
To strengthen and harden.
It can be seen that, the present invention can improve the anti-fatigue performance of welding point and structure with many-side.
Analysis understands that compared with prior art, the advantages of the present invention are:
First, the bag cage shoe axle that the present invention is provided in line prosthetic device and in line restorative procedure to soldering after
Gudgeon, compression is changed into using ultrasonic impact by welded tension, can effectively control gudgeon to repair
The generation of crackle after multiple, extends the service life of steel construction container, and reduces cost is raised labour efficiency,
It is significant to repairing re-manufacturing technology development, in can be widely applied to the reparation of metallurgical equipment,
Practical value is high.
2nd, the set of frequency of ultrasonic implement treatment of the present invention, can be to carrying out at the welding filling of gudgeon 2
Effective ultrasonication, ultrasonic impact changes original stress field, produces beneficial compression.High energy
Metallic surface temperature is very fast under stroke raises again rapid cooling, becomes active region coating metal tissue
Change, impact site is strengthened.
3rd, the present invention also butt welding toe position carries out ultrasonic implement treatment, further enhances bag cage shoe axle
Stress.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or essential feature
Embodiment realize.Therefore, embodiment disclosed above, for each side, all simply lifts
Example explanation, is not only.It is all within the scope of the present invention or to be equal in the scope of the present invention
Change is included in the invention.
Claims (6)
1. a kind of online prosthetic device of bag cage shoe axle, it is characterised in that including:
Welder, for carrying out soldering filling to the damaged gudgeon;With
Ultrasonic impact device, for carrying out ultrasonication at the welding filling to the damaged gudgeon.
2. the online prosthetic device of bag cage shoe axle according to claim 1, it is characterised in that described
Ultrasonic impact device includes:
Ultrasonic impact gun, for carrying out ultrasonication at the welding filling to the damaged gudgeon;With
Control cabinet, is connected with the ultrasonic impact gun by cable.
3. the online prosthetic device of bag cage shoe axle according to claim 1 and 2, it is characterised in that:
The frequency of the ultrasonic implement treatment of the ultrasonic impact device is more than 20,000 times per second.
4. a kind of online restorative procedure of bag cage shoe axle, it is characterised in that comprise the following steps:
Step one, the method using welding, the scaling loss and micro-crack occurred to the gudgeon carry out soldering and fill out
Fill;
Step 2, to carrying out ultrasonic implement treatment at soldering filling, eliminate the weldering that the gudgeon inside is present
Scoop out power.
5. the online restorative procedure of bag cage shoe axle according to claim 4, it is characterised in that:
The frequency of the ultrasonic implement treatment is more than 20,000 times per second.
6. the online restorative procedure of bag cage shoe axle according to claim 4, it is characterised in that:
When carrying out the ultrasonic implement treatment, also ultrasonic implement treatment is carried out including butt welding toe position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511019302.4A CN106925939A (en) | 2015-12-29 | 2015-12-29 | The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201511019302.4A CN106925939A (en) | 2015-12-29 | 2015-12-29 | The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle |
Publications (1)
Publication Number | Publication Date |
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CN106925939A true CN106925939A (en) | 2017-07-07 |
Family
ID=59442284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201511019302.4A Pending CN106925939A (en) | 2015-12-29 | 2015-12-29 | The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle |
Country Status (1)
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101152689A (en) * | 2006-09-28 | 2008-04-02 | 上海宝冶工程技术公司 | Renovation technology for ladle |
CN101890610A (en) * | 2010-08-09 | 2010-11-24 | 中信重工机械股份有限公司 | Field repairing method of welding cracks of feeding slip-ring body of large-sized slide mill |
CN102002581A (en) * | 2010-12-17 | 2011-04-06 | 南车长江车辆有限公司 | Method for eliminating residual stress in welding by ultrasonic peening and use thereof |
CN102152058A (en) * | 2011-05-11 | 2011-08-17 | 天津冶金集团重型机械制造有限公司 | Surfacing repair method for large cold-rolled supporting roll |
CN102267012A (en) * | 2010-06-01 | 2011-12-07 | 鞍钢重型机械有限责任公司 | On-line repairing method for fractured upper beam for hydraulic press casting and structure reinforcing device |
CN102430889A (en) * | 2011-09-09 | 2012-05-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for repairing crack and chipping of shunt ring of case |
CN102756235A (en) * | 2012-07-23 | 2012-10-31 | 苏州热工研究院有限公司 | Field welding repair method especially for larger and penetrating defects in steel casting with heavy wall thickness |
CN103231201A (en) * | 2013-04-24 | 2013-08-07 | 彭兴礼 | Method for repairing abrasion of drive housing seal position of shield machine |
CN104726687A (en) * | 2014-10-15 | 2015-06-24 | 哈尔滨工业大学(威海) | Technique for reducing or eliminating welding deformation and residual stress by trailing welding ultrasonic peening |
CN104924018A (en) * | 2015-07-06 | 2015-09-23 | 山东钢铁股份有限公司 | On-site repairing method for large motor rotor large section cracks |
CN205380403U (en) * | 2015-12-29 | 2016-07-13 | 莱芜钢铁集团有限公司 | Online prosthetic devices of package cage shoe axle |
-
2015
- 2015-12-29 CN CN201511019302.4A patent/CN106925939A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101152689A (en) * | 2006-09-28 | 2008-04-02 | 上海宝冶工程技术公司 | Renovation technology for ladle |
CN102267012A (en) * | 2010-06-01 | 2011-12-07 | 鞍钢重型机械有限责任公司 | On-line repairing method for fractured upper beam for hydraulic press casting and structure reinforcing device |
CN101890610A (en) * | 2010-08-09 | 2010-11-24 | 中信重工机械股份有限公司 | Field repairing method of welding cracks of feeding slip-ring body of large-sized slide mill |
CN102002581A (en) * | 2010-12-17 | 2011-04-06 | 南车长江车辆有限公司 | Method for eliminating residual stress in welding by ultrasonic peening and use thereof |
CN102152058A (en) * | 2011-05-11 | 2011-08-17 | 天津冶金集团重型机械制造有限公司 | Surfacing repair method for large cold-rolled supporting roll |
CN102430889A (en) * | 2011-09-09 | 2012-05-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for repairing crack and chipping of shunt ring of case |
CN102756235A (en) * | 2012-07-23 | 2012-10-31 | 苏州热工研究院有限公司 | Field welding repair method especially for larger and penetrating defects in steel casting with heavy wall thickness |
CN103231201A (en) * | 2013-04-24 | 2013-08-07 | 彭兴礼 | Method for repairing abrasion of drive housing seal position of shield machine |
CN104726687A (en) * | 2014-10-15 | 2015-06-24 | 哈尔滨工业大学(威海) | Technique for reducing or eliminating welding deformation and residual stress by trailing welding ultrasonic peening |
CN104924018A (en) * | 2015-07-06 | 2015-09-23 | 山东钢铁股份有限公司 | On-site repairing method for large motor rotor large section cracks |
CN205380403U (en) * | 2015-12-29 | 2016-07-13 | 莱芜钢铁集团有限公司 | Online prosthetic devices of package cage shoe axle |
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Application publication date: 20170707 |
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