EP2255412B1 - Elektrische anschlusseinrichtung - Google Patents
Elektrische anschlusseinrichtung Download PDFInfo
- Publication number
- EP2255412B1 EP2255412B1 EP09710771.8A EP09710771A EP2255412B1 EP 2255412 B1 EP2255412 B1 EP 2255412B1 EP 09710771 A EP09710771 A EP 09710771A EP 2255412 B1 EP2255412 B1 EP 2255412B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- fingers
- electrical connection
- connection device
- spring
- 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.)
- Active
Links
- 241000722921 Tulipa gesneriana Species 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 11
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
Definitions
- the invention relates to an electrical connection device, in particular for the transmission of high currents, as required in different technical fields.
- currents of 125 amperes and more are transmitted at voltages of up to 1000 volts.
- conductors with cross sections of 25 or 35 mm 2 may be required.
- connection devices for transmitting high currents have become known in the prior art. These include flat plug contacts and in particular circular plug contacts, in which the contact point is formed substantially rotationally symmetrical. For such high currents, plugs with twisted connection parts are usually used to reliably transmit the occurring current strengths.
- a contact with two opposing spaced contact fingers extending from a body portion thereof to receive a contact blade insertable therebetween.
- the contact fingers are pressed by the placement of an over-spring with a substantially U-shaped cross section to each other, so that the intermediate contact blade is held by the contact fingers.
- the contact tulip has a substantially box-shaped cross section and comprises a plurality of contact blades, which are arranged along the cross section.
- the contact tulip serves for contact with a contact blade to be inserted therein, a positive spring held thereon being provided, which presses the contact blades of the contact tulip against one another with arranged on their broad sides
- Additional over-spring fingers arranged on the narrow sides press against contact lamellae on the narrow side of the contact tulip.
- the over-spring fingers are designed such that they each press a plurality of contact blades of the contact tulip against the contact blade.
- the US 4,351,583 A relates to a substantially integrally formed connection device with a contact tulip, which has a U-shaped cross section in the insertion direction. At the open end of the U-shaped cross-section individual contact blades are connected to one another on one side so that they form a common contact surface with a contact blade to be introduced therebetween. To increase the contact pressure is an additional U-shaped spring over the Contact tulip inserted, which presses on several contact blades together to increase the contact pressure in the area of the contact surfaces.
- the electrical connection device is particularly suitable for transmitting high currents and comprises at least a flat contact with a contact tulip and a contact blade with a predetermined blade thickness, wherein the flat contact is suitable for receiving the contact blade with the predetermined blade thickness.
- a force provided for contacting is applied essentially by an over-spring in the contact region.
- the contact tulip in an unloaded state about a free entrance width, which corresponds approximately to the predetermined blade thickness of the contact blade.
- At least one length of the contact fingers of the contact tulip is considerably larger than a corresponding length of the over-spring fingers of the over-spring.
- the obliquely converging areas of the over-spring fingers are considerably shorter than the converging areas of the contact fingers.
- the over-spring fingers extend significantly obliquely to the receiving space with a recorded contact blade as the contact spring fingers to the receiving space or the contact blade. It is thereby achieved that the spring force of the over-spring is relatively large, while the long and relatively slightly inclined contact spring fingers a low spring constant and a large Contact area is provided. The contact force is applied substantially or even almost completely by the over-spring.
- the electrical connection device according to the invention offers considerable advantages. By using the over-spring defined contact forces can be applied.
- the solution according to the invention in which the over-spring applies the contact force precisely in the contact region, has the considerable advantage that settling phenomena on the contact tulip thereby play no or essentially no role.
- the contact tulip has approximately a free entry width which corresponds approximately to the blade thickness of the contact blade to be inserted.
- the contact blade could be inserted without any external force into the contact tulip without any external spring, but the current transmission would not be ensured.
- the outer spring which preloads the contact area with the intended contact force. Defined conditions prevail which are permanently maintained at the contact tulip independently of any possible settlement conditions. This makes it possible to reduce the actual contact force, whereby a higher ease of use is achieved, where sowohI Plug on as well as the removal of a contact is facilitated.
- the contact tulip has, in particular, at least two contact arms which are spaced apart from one another in the contact region around the entry width.
- a push-through protection is provided, which prevents unintentional insertion, in particular in the rear region of the contact tulip.
- the push-through protection can be designed as a connecting the two contact arms of the contact tulip web, so that a simple and effective push-through protection is provided.
- the over-spring and the contact tulip each have a plurality of fins or mutually associated contact finger pairs.
- the over-spring and the contact tulip each have a plurality of fins or mutually associated contact finger pairs.
- three, four, five, six or even more pairs of contact fingers can be provided, which together form the contact tulip or its contact arms.
- a corresponding number of Studentsfederfingerploen is provided, wherein a Studentsfederfingerplo is assigned in each case a pair of contact fingers.
- a Studentsfederfingerplo is assigned in each case a pair of contact fingers.
- an over-spring finger presses against a contact finger of the contact tulip, so that preferably each contact finger is loaded substantially equally.
- the electrical connection device is designed in particular for contact forces less than 30 and in particular less than 20 Newton.
- each contact finger pair brings about contact forces of less than 7 and in particular less than 5 Newton.
- contact forces of between about 3 and 4 Newtons are applied per pair of contact fingers. This allows a high level of operating comfort, since only relatively small insertion and removal forces are required in the production or solution of an electrical contact with an electrical connection device.
- the exact number of contact fingers and the overfinger and the respective contact force also depends in particular on the current to be transmitted.
- At least one contact surface of the contact tulip has a layer containing silver.
- Layers containing either silver or silver can significantly reduce friction, allowing for even greater comfort in operation.
- Another advantage of silver or silver containing layers is the good electrical conductivity.
- the electrical connection device according to the invention is particularly suitable for the transmission of currents greater than 80 amperes. Preferably, it is suitable for a transmission of currents greater than 100 amperes.
- the contact tulip consists at least partially of copper material and in particular of a copper flat strip material, which is e.g. is punched and brought by bending into the desired shape.
- the over-spring preferably consists essentially of steel material and may also be made of a ribbon material by one or more bending operations.
- the push-through protection can be formed by two mutually bent regions.
- the electrical connection device according to the invention can be arranged both on a base strip as well as be designed as a plug. Also a flying arrangement is possible.
- Fig. 1 is a perspective view of a terminal contact according to the invention in the form of an electrical connection contact or an electrical connection device 1 shown.
- the electrical connection device 1 comprises a flat contact 2 with at least one contact tulip 3 and an outer spring 6 surrounding the contact tulip 3 on the outside, which serves to ensure the required contact force.
- the contact tulip 3 comprises spring arms 12 and 13, in particular as shown FIG. 2 and the in FIG. 5 can be taken from the processed transaction.
- Each contact arm comprises a plurality of here in the exemplary embodiment, five contact fingers 15 which are formed in pairs, so that in each case two contact fingers 15 are aligned with each other.
- a defined entry width 9 is provided in the unloaded state 8, which at least substantially corresponds to the predetermined blade thickness 5 of the contact blade 4. This ensures that not the spring arms 12 and 13 of the contact tulip 3 apply the required clamping force, but that the required contact force is applied by the over-spring fingers 17 of the over-spring 6.
- the over-spring is preferably made of steel or other similar stable material, while the contact tulip with the contact finger pairs 11 advantageously made of copper or a copper alloy.
- the contact fingers 15 may be provided in total or on the contact surface 18 with a silver coating or a silver-containing coating. As a result, a reduction in friction is achieved, whereby the ease of use is increased by lower insertion and removal forces.
- the contact blade 4 is in the in the FIGS. 1 to 5 illustrated embodiment, provided with solder legs 22 to solder the contact blade 4 on a (not shown) circuit board.
- the electrical connection device 1 has at the contact tulip 3 via an electrical connection 19, which can be connected to a (not shown) conductor.
- the electrical connection device 1 can be used as a plug and plugged onto the contact blade 5, which is attached as a current bar to a circuit board.
- the necessary contact force is applied by the over-spring 6, to which the over-spring fingers 17 load the contact finger pairs 11 in the contact region 7 with a defined spring force.
- the length 16 of the over-spring fingers 17 is considerably shorter than the length 14 of the contact fingers 15. This ensures that the contact fingers 15 provide a large contact surface 18, while the over-spring 6 has a relatively large spring constant, so that the applied by the over-spring 6 Spring force is considerably greater than any spring force applied to the contact tulip 3.
- the over-spring 6 brings the contact force. This causes, inter alia, that any subsidence phenomena on the spring arms 12 and 13 of the contact tulip 3 have no or only a very small influence on the contact force, as this is substantially or entirely determined by the over-spring. Therefore, the contact tulip 3 in the unloaded state has a free opening into which the contact blade 4 can be inserted.
- a significant advantage is the formation of the spring arms 12 and 13 with a plurality of contact spring fingers 15, which are provided in a lamellar manner on the spring arms 12 and 13.
- a total of ten contact spring fingers 15 are provided, which each form a total of five contact spring finger pairs.
- Each contact finger 15 is assigned a corresponding over-spring finger 17, which pre-loads the respective contact finger 15 with a defined contact force in order to ensure defined conditions during contact.
- Both the over-spring 6 and the contact tulip 3 are preferably made of one-piece sheet metal parts by bending.
- the developments of the stamped sheet metal parts are in the FIGS. 4 and 5 shown. This ensures a simple and inexpensive production process, which allows a high quality with good producibility.
- the over-spring 6 is listed so that a spring steel flat band is punched out and bent so that a closed cage is formed, which completely surrounds the elastic side of the tulip contacts. In addition, according to the number of contact spring fingers 15 of the contact tulip 3, the over-spring fingers are formed.
- a push-through protection 10 is provided which prevents insertion of a conductor.
- the electrical connection device 1 can be used in particular in flat connector systems with multipolar connectors.
- the invention allows use at high currents with a simultaneously small size.
- a very narrow pitch of e.g. 15 mm are ensured, while the necessary to operate plug and pull forces are low.
- a silver-based surface ensures trouble-free operation even with vibrations or constantly changing stress influences.
- both the contact tulip and the contact blade is arranged in the plug, as well as the connection of the contact blade or the contact tulip by means of corresponding solder pins in a base bar.
- the electrical connection device 1 is inexpensive to manufacture.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008009357A DE102008009357A1 (de) | 2008-02-14 | 2008-02-14 | Elektrische Anschlusseinrichtung |
PCT/EP2009/000459 WO2009100812A2 (de) | 2008-02-14 | 2009-01-24 | Elektrische anschlusseinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2255412A2 EP2255412A2 (de) | 2010-12-01 |
EP2255412B1 true EP2255412B1 (de) | 2017-04-12 |
Family
ID=40852260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09710771.8A Active EP2255412B1 (de) | 2008-02-14 | 2009-01-24 | Elektrische anschlusseinrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US8182299B2 (es) |
EP (1) | EP2255412B1 (es) |
JP (1) | JP5097277B2 (es) |
CN (1) | CN101911395B (es) |
DE (1) | DE102008009357A1 (es) |
DK (1) | DK2255412T3 (es) |
ES (1) | ES2626240T3 (es) |
WO (1) | WO2009100812A2 (es) |
Families Citing this family (42)
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US8616926B2 (en) * | 2009-08-17 | 2013-12-31 | Norman R. Byrne | Solid wire terminal |
DE102010008536B4 (de) | 2010-02-18 | 2015-01-15 | Phoenix Contact Gmbh & Co. Kg | Elektrische Anschlusseinrichtung |
CN102446664A (zh) * | 2010-09-30 | 2012-05-09 | 北京人民电器厂有限公司 | 用于可抽出式断路器的电连接结构 |
CN202076502U (zh) * | 2010-12-30 | 2011-12-14 | 泰科电子(上海)有限公司 | 电连接器 |
DE102011085700A1 (de) * | 2011-11-03 | 2013-05-08 | Bayerische Motoren Werke Aktiengesellschaft | Hochstrom-Steckverbinder für Kraftfahrzeuganwendungen |
US8939787B2 (en) * | 2012-08-27 | 2015-01-27 | Schneider Electric USA, Inc. | Dual material ground clip for a busway plug in unit |
CN104781993A (zh) * | 2012-10-19 | 2015-07-15 | 李尔公司 | 电气端子 |
CN103794915B (zh) * | 2012-10-30 | 2016-06-15 | 凡甲电子(苏州)有限公司 | 电源连接器 |
US8721376B1 (en) | 2012-11-01 | 2014-05-13 | Avx Corporation | Single element wire to board connector |
US20140120786A1 (en) | 2012-11-01 | 2014-05-01 | Avx Corporation | Single element wire to board connector |
US9065260B2 (en) | 2012-12-06 | 2015-06-23 | Phoenix Contact Development and Manufacturing, Inc. | Modular electric power distribution system |
US9166322B2 (en) | 2013-02-08 | 2015-10-20 | Lear Corporation | Female electric terminal with gap between terminal beams |
DE102013202513B4 (de) * | 2013-02-15 | 2023-04-27 | Te Connectivity Germany Gmbh | Elektrischer Verbinder |
US9397409B2 (en) * | 2013-03-14 | 2016-07-19 | Methode Electronics, Inc. | Electrical connector |
DE102014009208B4 (de) * | 2013-06-21 | 2018-08-09 | Lear Corporation | Elektrische anschlussanordnung |
DE202013103444U1 (de) * | 2013-07-31 | 2014-11-04 | Weidmüller Interface GmbH & Co. KG | Kontaktelement für eine Steckanordnung eines insbesondere außen geführten Bussystems |
US9190756B2 (en) | 2013-08-01 | 2015-11-17 | Lear Corporation | Electrical terminal assembly |
US9142902B2 (en) | 2013-08-01 | 2015-09-22 | Lear Corporation | Electrical terminal assembly |
US9257804B1 (en) * | 2013-10-29 | 2016-02-09 | Google Inc. | Pitch agnostic bus-bar with pitch agnostic blind mate connector |
US9711926B2 (en) | 2013-11-19 | 2017-07-18 | Lear Corporation | Method of forming an interface for an electrical terminal |
EP2881679B1 (en) * | 2013-12-03 | 2017-05-10 | Mahle Behr France Rouffach S.A.S | Electric heater |
RU2650492C1 (ru) | 2013-12-12 | 2018-04-16 | Хартинг Электрик Гмбх Унд Ко. Кг | Удерживающая рамка для штекерного разъема |
US9595962B1 (en) | 2013-12-27 | 2017-03-14 | Google Inc. | Method to implement a short pin detector on a bus bar |
US9306297B2 (en) * | 2014-04-29 | 2016-04-05 | Avx Corporation | Interlocking poke home contact |
US9391386B2 (en) | 2014-10-06 | 2016-07-12 | Avx Corporation | Caged poke home contact |
US9640888B2 (en) * | 2014-12-05 | 2017-05-02 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Preventing corrosion of an electrical connector |
US9711921B2 (en) | 2015-02-27 | 2017-07-18 | Norman R. Byrne | Electrical contact receptacle for bus bars and blade terminals |
DE102016104868B3 (de) * | 2016-03-16 | 2017-05-24 | Wago Verwaltungsgesellschaft Mbh | Federklemmelement |
US9634445B1 (en) | 2016-06-15 | 2017-04-25 | Delphi Technologies, Inc. | Electrical bus bar connector system |
US10522945B2 (en) | 2016-08-22 | 2019-12-31 | Interplex Industries, Inc. | Electrical connector |
CA3033379A1 (en) | 2016-08-22 | 2018-03-01 | Interplex Industries, Inc. | Electrical connector |
US10320096B2 (en) | 2017-06-01 | 2019-06-11 | Avx Corporation | Flexing poke home contact |
EP3444905A1 (de) * | 2017-08-18 | 2019-02-20 | HILTI Aktiengesellschaft | Steckkupplung für eine akkueinheit |
US10193247B1 (en) * | 2017-11-14 | 2019-01-29 | Lear Corporation | Electrical contact spring with extensions |
CN110224251B (zh) * | 2018-03-01 | 2021-01-29 | 中航光电科技股份有限公司 | 片式接触件、片式插孔及高压互锁连接器 |
US10622771B2 (en) * | 2018-09-07 | 2020-04-14 | Hamilton Sundstrand Corporation | Power modules for power distribution assemblies |
US10826215B2 (en) * | 2018-09-25 | 2020-11-03 | Alltop Electronics (Suzhou) Ltd. | Electrical connector and electrical connector assembly with the same |
DE102019121284A1 (de) * | 2019-08-07 | 2021-02-11 | Dinkle Electric Machinery (China) Co., Ltd. | Verbinder für Hochstromanschluss |
US11069999B2 (en) * | 2019-12-20 | 2021-07-20 | Lear Corporation | Electrical terminal assembly with connection retainer |
EP4024424A1 (en) * | 2020-12-29 | 2022-07-06 | Schneider Electric USA, Inc. | Single part finger cluster subassembly |
DE102021120307B4 (de) | 2021-08-04 | 2023-11-16 | Interplex NAS Electronics GmbH | Kontaktierungsanordnung |
US20230246369A1 (en) * | 2022-01-28 | 2023-08-03 | J.S.T. Corporation | Power connector system having a right-angle type plug connector or a straight type plug connector engageable with a header connector |
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TW454967U (en) * | 1999-01-12 | 2001-09-11 | Hon Hai Prec Ind Co Ltd | Clamp type terminal |
DE10054661C2 (de) * | 2000-11-03 | 2003-01-30 | Phoenix Contact Gmbh & Co | Elektrische Anschluß- oder Verbindungseinrichtung |
US6776635B2 (en) * | 2001-06-14 | 2004-08-17 | Tyco Electronics Corporation | Multi-beam power contact for an electrical connector |
FR2828590B1 (fr) * | 2001-08-08 | 2003-09-26 | Framatome Connectors Int | Barre de bus |
FR2844105B1 (fr) * | 2002-08-27 | 2006-11-17 | Framatome Connectors Int | Dispositif de connexion comportant un contact entoure d'un ressort |
DE20305313U1 (de) * | 2003-04-01 | 2004-08-12 | Weidmüller Interface Gmbh & Co. | Anschlußeinrichtung |
JP2005019199A (ja) * | 2003-06-26 | 2005-01-20 | Terasaki Electric Co Ltd | 端子装置 |
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DE202006016424U1 (de) * | 2006-10-20 | 2007-01-04 | Phoenix Contact Gmbh & Co. Kg | Elektrische Kontaktvorrichtung |
-
2008
- 2008-02-14 DE DE102008009357A patent/DE102008009357A1/de not_active Withdrawn
-
2009
- 2009-01-24 ES ES09710771.8T patent/ES2626240T3/es active Active
- 2009-01-24 DK DK09710771.8T patent/DK2255412T3/en active
- 2009-01-24 WO PCT/EP2009/000459 patent/WO2009100812A2/de active Application Filing
- 2009-01-24 US US12/808,796 patent/US8182299B2/en not_active Expired - Fee Related
- 2009-01-24 CN CN2009801017736A patent/CN101911395B/zh active Active
- 2009-01-24 JP JP2010546230A patent/JP5097277B2/ja not_active Expired - Fee Related
- 2009-01-24 EP EP09710771.8A patent/EP2255412B1/de active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
US20100311286A1 (en) | 2010-12-09 |
CN101911395A (zh) | 2010-12-08 |
CN101911395B (zh) | 2013-07-03 |
WO2009100812A2 (de) | 2009-08-20 |
EP2255412A2 (de) | 2010-12-01 |
ES2626240T3 (es) | 2017-07-24 |
DE102008009357A1 (de) | 2009-08-27 |
DK2255412T3 (en) | 2017-06-26 |
WO2009100812A3 (de) | 2009-10-29 |
JP2011512618A (ja) | 2011-04-21 |
US8182299B2 (en) | 2012-05-22 |
JP5097277B2 (ja) | 2012-12-12 |
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