CN101499586A - Rapid insertion, self-locking type electric connector - Google Patents
Rapid insertion, self-locking type electric connector Download PDFInfo
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- CN101499586A CN101499586A CNA2008100067398A CN200810006739A CN101499586A CN 101499586 A CN101499586 A CN 101499586A CN A2008100067398 A CNA2008100067398 A CN A2008100067398A CN 200810006739 A CN200810006739 A CN 200810006739A CN 101499586 A CN101499586 A CN 101499586A
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Abstract
The invention relates to an electric connector. The end of the plug connector thereof is provided with a double-toothed ring disc-shaped locking plate which is provided with inner teeth; the outer conductor of a socket connector is provided with a bulge with a circumferential cross section in the trapezoidal shape; and the cross section of the bulge is provided with an uphill part, a flat top and a downhill part. During the connection process, the inner teeth rise from the slope to the flat top, thereby achieving the maximum bending deformation; when the inner teeth reach the downhill part, the inner teeth with the bending deformation gradually restore the original shape along the tangent direction of the downhill part; and finally, the inner teeth stops at the downhill part or the junction between the downhill part and the flat top. The invention can realize the rigid zero gap between connecting ports under the connected condition, and simultaneously maintain the large axial force. When the inner teeth release the force of bending deformation along the tangent direction of the downhill part, static friction force generated in the normal direction of the point can realize self-locking like threads. When the unlocking is required, only small force is required in the direction opposite to the tangent direction of the downhill part. When the radio-frequency coaxial connector designed and manufactured in the method is used, the characteristic impedance on the contact end surface is continuous; the contact is reliable and stable; the connector has the use frequency, excellent RF performance and good inter-modulation performance, which are identical to that of the thread connection method; and the RF leakage is greatly reduced.
Description
Technical field
The present invention relates to a kind of electric connector, particularly, the present invention relates to a kind of fast slotting, self-locking type electric connector.The RF COAXIAL CONNECTOR that designs and produces with the technology of the present invention, has the continuous contact interface of impedance operator between its plug and socket, the reflection that causes on this contact-making surface during electromagnetic transmission is minimum, has good mutual tonality energy, and greatly reduces the RF leakage.
Background technology
U.S. Pat 6,709,289B2 discloses a kind of fast slotting, self-locking type electric connector, it utilizes the strain of an elastic component 42 to eliminate because the gap that produces at contact interface 46,47 places that mismachining tolerance caused of part 35,38,43 relies on the elastic force of this elastic component 42 to obtain axial active force between plug 35 and the socket 38 simultaneously.Problem is that on these elastic component 42 residing positions, the impedance operator between plug 35 and the socket 38 is discontinuous, therefore, when electromagnetic transmission, can cause reflection on this position, causes VSWR variation (seeing Fig. 9 and 10).
Therefore, in the prior art, according to U.S. Pat 6,709, the frequency of utilization of the radio frequency (RF) coaxial connector of 289B2 is restricted, and does not reach the electrical performance indexes with the radio frequency (RF) coaxial connector that is threaded, and is particularly more obvious during 6-11GHz.
Equally, U.S. Patent application US2003/0027435A1 also has identical problem.
Summary of the invention
The purpose of this invention is to provide a kind of fast slotting, self-locking type electric connector, have the continuous contact-making surface of impedance operator between its plug and socket, on this contact-making surface, cause reflection when avoiding electromagnetic transmission.
Another object of the present invention provides a kind of fast slotting, self-locking type electric connector, and the contact resistance between its plug and socket is very little, and stable.
Another object of the present invention provides a kind of fast slotting, self-locking type electric connector, transfers (PASSIVE INTERMODULATION) good alternately when its plug and socket connects, and the insertion loss is little, and greatly reduces the RF leakage.
Another object of the present invention provides a kind of fast slotting, self-locking type electric connector, its good sealing effect, and the antivibration ability is strong.
Another object of the present invention provides a kind of fast slotting, self-locking type electric connector, it is simple in structure, easy to process, needn't change or only need the inside dimension of the existing radio frequency (RF) coaxial connector of a little change, can change fast-insertion self-locking type connector into from the type of being threaded, thereby save a large amount of design verification work.
For this reason, the invention provides a kind of electric connector, have pin connector and socket connector, be provided with bidentate ring dish stay in the end of pin connector, this bidentate ring dish stay is provided with internal tooth; On the outer conductor of socket connector, be provided with circumferential cross section and be trapezoidal projection, this protruding cross section has upward slope, flat-top and descending, like this, in connection procedure, described internal tooth rises to flat-top by the slope and reaches maximum flexibility, when arriving descending, diastrophic internal tooth has taken place be tending towards restoring to the original state along the tangential direction of descending, final internal tooth rests on the intersection in descending or descending and Pinggu; The end face of internal tooth produces thrust to the normal direction of descending, end face is closely contacted with end face, the gap is 0, and keep larger axis to active force, it is characterized in that, having between the face of cylinder than large diameter of the face of cylinder with less internal diameter at pin connector middle part and leading section, be provided with cannelure by inner wall limit, in this cannelure, be provided with the O RunddichtringO.
Preferably, under the assembled state of this electric connector, the face of cylinder with less internal diameter at pin connector middle part is corresponding to the face of cylinder of socket connector leading section, and the pin connector middle part has than the face of cylinder of the large diameter flat-top corresponding to the projection of socket connector.
When internal tooth discharges flexural deformation power along the tangential direction of descending, interior tooth ends 18 will be cut the intersection in descending or descending and Pinggu firmly with very high acceleration, make angle 〉=90 ° of long internal tooth and descending, make normal force produce very big stiction and reach auto-lock function to the descending surface, the internal tooth of whole circumference almost vertical support on the descending surface, make connector can keep out very big separating force, the internal tooth of whole circumference enough satisfies the separating force requirement of connector.
Preferably, pin connector comprises outer conductor and center conductor, and socket connector comprises outer conductor and center conductor, and under the connection status of pin connector and socket connector, two outer conductors are connected; Two center conductors are connected.
Preferably, the interior tine length that bidentate ring dish stay is adjacent is variant, and internal tooth rests on the different circumference of descending when making locking, the long internal tooth and angle 〉=90 of descending °; And angle≤90 of short internal tooth and descending °.
Preferably, bidentate ring dish stay also comprises external tooth, and external tooth is distributed on the same circumference, is fixed between the end and hold-down ring of outer conductor; All have elongated slot in external tooth and the internal tooth.
Preferably, pin connector has endoporus, and the flat-top of socket connector matches with the endoporus of pin connector.
Preferably, hold-down ring is pressing the external tooth of stay.
Preferably, also be provided with and separate lock tube, separate the release position of lock tube and aim at the release position of stay.
Electric connector according to the present invention can make rigidity 0 gap between the connectivity port under connection status, kept very big axial force simultaneously, characteristic impedance at the contact end face is continuous, contact is reliable, stable, have the frequency of utilization same, outstanding RF performance and good mutual tonality energy, and greatly reduce RF and leak with thread connecting mode.
According to electric connector of the present invention, having between the face of cylinder than large diameter of the face of cylinder with less internal diameter at pin connector middle part and leading section, be provided with cannelure by three inner wall limits of C shape, in this cannelure, be provided with the O RunddichtringO.Particularly, under the assembled state of this electric connector, the face of cylinder with less internal diameter at pin connector middle part is corresponding to the face of cylinder of socket connector leading section, and the pin connector leading section has than the face of cylinder of the large diameter flat-top corresponding to the projection of socket connector.Like this, in the connection procedure of electric connector, do not have slide relative between the upward slope of the O RunddichtringO of pin connector and the projection of socket connector, do not produce wearing and tearing; Simultaneously, O RunddichtringO self produces strain, upward slope to the projection of the face of cylinder of the leading section of three inwalls of cannelure, socket connector and socket connector all produces bigger squeezing action power, therefore, according to electric connector of the present invention, the strong and long service life of the good sealing effect of O RunddichtringO, antivibration ability.
Particularly, according to electric connector of the present invention, frequency of utilization can not reach the electrical performance indexes with the radio frequency (RF) coaxial connector that is threaded, particularly excellent performance during 6-11GHz.
To brief description of drawings
Fig. 1 is the structural representation of electric connector according to the present invention under plug and socket connection status.
Fig. 2 is the structural representation according to the pin connector of electric connector of the present invention.
Fig. 3 is the structural representation according to the socket connector of electric connector of the present invention.
Fig. 4 is the perspective view according to the dish-like stay of bidentate ring of electric connector of the present invention.
Fig. 5 is the cross-sectional view according to the dish-like stay of bidentate ring of electric connector of the present invention.
Fig. 6 is the cross-sectional view according to the hold-down ring of electric connector of the present invention.
Fig. 7 is the water-tight schematic diagram according to electric connector of the present invention.
Fig. 8 a-8c is the generation schematic diagram according to the axial force of electric connector of the present invention.
Fig. 9 is the structure principle chart according to the electric connector of prior art.
Figure 10 is the partial enlarged drawing according to the contact end face of the electric connector of prior art as shown in Figure 9.
Embodiment
According to one embodiment of present invention, as shown in Figure 1, slotting soon, self-locking type electric connector comprises pin connector 2 and socket connector 3.
As shown in Figure 2, pin connector 2 comprises outer conductor 5 and center conductor 7.The position 21,22 of outer conductor is provided with dish-like stay 8 of the bidentate ring of being made by elastomeric material and hold-down ring 9.The radial outside of outer conductor 5 is provided with separates lock tube 10.The medial surface of outer conductor 5 is provided with a groove that is limited by inwall 15,16,17, is provided with the O RunddichtringO in this groove.
As shown in Figure 3, socket connector 3 comprises outer conductor 4 and center conductor 6.Center conductor 6 is made by elastomeric material, and this center conductor 6 has stomidium towards an end of center conductor 7, and the sidewall of this stomidium is provided with some cannelures, makes the end of center conductor 6 have elasticity so that with being connected of center conductor 7.It is trapezoidal ring that the outer surface of outer conductor 4 is provided with a cross section, and this keystone ring has upward slope 12, flat-top 13 and descending 14.Going up a slope makes stay 8 produce flexural deformation thereon when 12 internal tooths 24 at stay 8 slide through, thus the savings energy; Flat-top 13 is used for cooperating with the endoporus 25 of pin connector 2, so that pin connector 2 and socket connector 3 keep axiality; Descending 14 makes the state before stay 8 almost returns to flexural deformation thereon when the internal tooth 24 of stay 8 slides through, thus plug locking connector 2.
Thisly fast insert, the self-locking type connector is in connection procedure, the top 18 of each internal tooth 24 of stay 8 is released in most of energy of putting aside owing to stay 8 flexural deformations in the connection procedure rapidly along the tangential direction of descending 14, simultaneously, discharge in the process of savings energy at internal tooth 24, its top 18 has produced very big thrust along the normal direction of descending 14, and the contact-making surface 4a as shown in Figure 1 that just constituted with joint efforts of the thrust at the top 18 of each internal tooth 24 is added in contact action power on the contact-making surface 5a.The active force of normal direction almost vertically acts on the descending 14 simultaneously, and the stiction of Chan Shenging can have been realized the auto-lock function of connector as being threaded therefrom.
Because the flexural deformation that is arranged so that internal tooth 24 of the flat valley 14a of descending 14 does not all discharge as yet, so also have elastic force to exist, the direction of this elastic force is pointed to the axle center, thereby improves the reliability that connects.Shown in Fig. 8 a-8c, this connection procedure makes that the gap between the contact-making surface of two connectors is 0.
In addition, radio frequency (RF) coaxial connector according to the present invention has good mutual transsexual energy and minimum insertion loss.
In addition, as shown in Figure 7, when pin connector 2 is connected with socket connector 3, the upward slope 12 of outer conductor 3 makes half-naked sealing ring 11 produce bigger compression, make inwall 15,16,17, upward slope 12 and the face of cylinder 12a of 11 pairs of grooves of O RunddichtringO that squeezing action all be arranged, therefore, this a pair of connector has good hermetic seal and antivibration effect under connection status.
As can be seen, the position 9a of hold-down ring 9 is close to the external tooth position of stay 8 in Fig. 1, and it is firm that stay 8 is installed, and locking function is stable.In addition, the position 9b of hold-down ring 9 has improved the confining force of stay greatly.
According to the present invention, as shown in Figure 4, according to the needs of different connector, the dish-like stay 8 of bidentate ring can have 12～24 external tooths that do not wait 23 and internal tooth 24.Outer tooth height is identical; On same circumference, adjacent interior tooth height is difference slightly.Each internal tooth all has the independently degree of freedom.
Under locking state, Fig. 8 ° (is seen a) in long internal tooth 24 and angle 〉=90 of descending 14; And the short internal tooth 24 and angle≤90 ° (seeing Fig. 8 c) of descending 14.Like this, descending 14 is during with stay 8 lockings, and stay 8 is vertically and radially all descending is maintained certain elastic force, thereby increased the reliability of locking.
Have elongated slot 23a and 24a between external tooth and the internal tooth, external tooth 23 usefulness that fixes, internal tooth 24 supports usefulness when doing locking, and the slotted section between external tooth and the internal tooth can produce strain, with the savings energy.In addition, when the internal tooth top was stressed, internal tooth support base AD had only AB and two sections cross sections of CD that strain takes place, and like this, releasing force just reduces.When internal tooth was done to support, bottom AD had long support bottom surface, can bear very big support force.
As shown in Figure 1, when connector need separate, separate lock tube 10 as long as move, the position 26 that makes the position 20 of separating lock tube 10 promote staies 8, making it to break away from descending 14 and be higher than flat-top 13 can light release, and pin connector 2 is separated with socket connector 3.At this moment, the flexural deformation that the dish-like stay 8 of bidentate ring produces in connection procedure all discharges, and all internal tooths all return to initial free state.
Electric connector according to the present invention is in connection procedure, shown in Fig. 8 a-8c, the end face 18 of the internal tooth 24 of the dish-like stay 8 of bidentate ring produces certain active force on the normal direction of descending 14, make the interface 4a of connector 3 produce very big and the contacted thrust of interface 5a another connector 2, making can be as conventional rigidity 0 gap of accomplishing to contact end face with the radio frequency (RF) coaxial connector that is threaded according to radio frequency (RF) coaxial connector of the present invention, make that the interface impedance characteristic is continuous, can not cause reflection during electromagnetic transmission; Simultaneously, the outer conductor end face 4a of socket 3 has very big axial force to the outer conductor end face 5a of plug 2, makes the contact resistance under the connection status very little, and stable.
Fast slotting, auto-lock function can be realized according to electric connector of the present invention, radio frequency (RF) coaxial connector or other electric connectors can be extensively be used in.
According to the present invention, shown in Fig. 8 a-8c, the internal tooth 24 of the adjacent differing heights of the dish-like stay 8 of bidentate ring is supported on the trapezoidal descending 14 of different circumference, guarantees that electric connector contacts 0 gap between end face 4a and the 5a under connection status, simultaneously, the contact end face has very big axial force again.On electric property, avoided having less VSWR, especially good mutual tonality energy and lower insertion loss in the discontinuous reflection problems that causes of contact end face impedance.
According to the present invention, as shown in Figure 7, connector is when making mechanical connection, the face of cylinder 12a of socket connector and upward slope 12 make the O RunddichtringO 11 of pin connector semi-nudity in the groove that is limited by inwall 15,16,17 be out of shape owing to being extruded, make sealing ring all produce contact action power, thereby improve the sealing effectiveness and the antivibration ability of connector to inwall 15,16,17, upward slope 12, the face of cylinder 12a of groove.
According to the present invention, on the stay of pin connector, placed a hold-down ring 9, the arc surface at stay 8 elasticity positions is close to the 9b of hold-down ring simultaneously, when internal tooth is stressed, the hold-down ring of sealing can guarantee enough big enabling capabilities, can improve the internal tooth support force of stay, thereby improve the installation reliability of stay, also improve performance index such as confining force and persistence simultaneously.
Radio frequency (RF) coaxial connector according to the present invention is simple in structure, easy to process, the radio frequency (RF) coaxial connector that is threaded in a lot of alternative usefulness of use occasion, and the inside dimension that needn't change or seldom change existing radio frequency (RF) coaxial connector can be modified into fast slotting, self-locking type electric connector, thereby has saved a large amount of design verification work.
In fact, under design of the present invention, other embodiment can also be arranged.Those skilled in the art is according to disclosure of the present invention, easily to the present invention make amendment, variation, perfect, for example, the elasticity position can be set on stay 8, and cancellation hold-down ring 9.Yet, do like this and will fall into the desired scope of patent protection of appended claims.
Claims (8)
1. an electric connector (1) has pin connector (2) and socket connector (3), is provided with bidentate ring dish stay (8) in the end of pin connector (2), and this bidentate ring dish stay (8) is provided with internal tooth (24); On the outer conductor of socket connector (3), be provided with circumferential cross section and be trapezoidal projection, this protruding cross section has upward slope (12), flat-top (13) and descending (14), like this, in connection procedure, described internal tooth (24) rises to flat-top (13) by slope (12) and reaches maximum flexibility, when arriving descending (14), diastrophic internal tooth (24) has taken place be tending towards restoring to the original state along the tangential direction of descending (14), final internal tooth (24) rests on the intersection in descending (14) or descending (14) and Pinggu (14a); The end face of internal tooth (18) produces thrust to the normal direction of descending (14), and end face (4a) is closely contacted with (5a), and the gap is 0, and keeps axial force, it is characterized in that,
On the face of cylinder with less internal diameter (27) of pin connector (2) with have between the face of cylinder (25) than large diameter, be provided with the cannelure that limits by inwall (15,16,17), in this cannelure, be provided with the O RunddichtringO.
2. electric connector as claimed in claim 1 (1), it is characterized in that, under the assembled state of this electric connector (1), the face of cylinder with less internal diameter (27) of pin connector (2) is corresponding to the face of cylinder (12a) of socket connector (3), and pin connector (2) has the face of cylinder (25) than large diameter corresponding to the flat-top (13) of the projection of socket connector (3).
3. electric connector as claimed in claim 1 (1), it is characterized in that, pin connector (2) comprises outer conductor (5) and center conductor (7), socket connector (3) comprises outer conductor (4) and center conductor (6), under the connection status of pin connector (2) and socket connector (3), outer conductor (5) is connected with outer conductor (4); Center conductor (7) inserts center conductor (6).
4. electric connector as claimed in claim 1 (1), it is characterized in that, the interior tine length that bidentate ring dish stay (8) is adjacent is variant, and internal tooth firmly rests on the different circumference of descending (14) when making locking, the long internal tooth and angle 〉=90 of descending (14) °; And angle≤90 of short internal tooth and descending (14) °.
5. electric connector as claimed in claim 3 (1) is characterized in that, bidentate ring dish stay (8) also comprises external tooth (23), and external tooth is distributed on the same circumference, is fixed between the end (21) and hold-down ring (9) of outer conductor (5); All have elongated slot in external tooth and the internal tooth.
6. electric connector as claimed in claim 1 (1) is characterized in that, pin connector (2) has endoporus (25), and the flat-top (13) of socket connector (3) matches with the endoporus (25) of pin connector (2).
7. electric connector as claimed in claim 5 (1) is characterized in that, hold-down ring (9) is pressing the external tooth (23) of stay (8).
8. electric connector as claimed in claim 1 (1) is characterized in that, also is provided with to separate lock tube (10), separates the position (20) of lock tube (10) and aims at the position (26) of stay (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100067398A CN101499586B (en) | 2008-01-30 | 2008-01-30 | Rapid insertion, self-locking type electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100067398A CN101499586B (en) | 2008-01-30 | 2008-01-30 | Rapid insertion, self-locking type electric connector |
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| CN101499586A true CN101499586A (en) | 2009-08-05 |
| CN101499586B CN101499586B (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100067398A Active CN101499586B (en) | 2008-01-30 | 2008-01-30 | Rapid insertion, self-locking type electric connector |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887759A (en) * | 2017-01-17 | 2017-06-23 | 杭州知加网络科技有限公司 | A kind of connector of waterproof |
| CN107666057A (en) * | 2016-07-27 | 2018-02-06 | 华为技术有限公司 | A kind of circular boundling waterproof inserts type radio frequency connector soon |
| CN108521047A (en) * | 2018-04-08 | 2018-09-11 | 四川永贵科技有限公司 | A kind of single heavy-current electric connector of high reliability |
| CN110911909A (en) * | 2018-09-14 | 2020-03-24 | 广濑电机株式会社 | Coaxial connector assembly |
| CN113097793A (en) * | 2021-04-23 | 2021-07-09 | 镇江中铭电子有限公司 | Push-pull self-locking radio frequency connector |
| CN113972538A (en) * | 2020-07-24 | 2022-01-25 | 泰连德国有限公司 | Electrical ferrule, electrical connection device and electrical connector |
| CN114175414A (en) * | 2019-08-09 | 2022-03-11 | 株式会社自动网络技术研究所 | Connector and connector device |
| CN114725732A (en) * | 2022-03-09 | 2022-07-08 | 苏州诺克斯通讯科技有限公司 | Magnetic radio frequency coaxial connector |
| CN116914491A (en) * | 2023-09-11 | 2023-10-20 | 陕西四菱电子科技股份有限公司 | Integrated connector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE60305146T2 (en) * | 2002-10-22 | 2007-03-15 | Tyco Electronics Belgium Ec N.V. | Electrical connector with locking ring, in particular a coaxial connector |
| CN2783561Y (en) * | 2005-03-16 | 2006-05-24 | 黄天佑 | Electric connector assembly |
| CN2896603Y (en) * | 2006-09-29 | 2007-05-02 | 瞿金良 | Fast-plugging self-locking type radio coaxial connector |
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- 2008-01-30 CN CN2008100067398A patent/CN101499586B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666057A (en) * | 2016-07-27 | 2018-02-06 | 华为技术有限公司 | A kind of circular boundling waterproof inserts type radio frequency connector soon |
| CN106887759A (en) * | 2017-01-17 | 2017-06-23 | 杭州知加网络科技有限公司 | A kind of connector of waterproof |
| CN108521047A (en) * | 2018-04-08 | 2018-09-11 | 四川永贵科技有限公司 | A kind of single heavy-current electric connector of high reliability |
| CN108521047B (en) * | 2018-04-08 | 2023-08-04 | 四川永贵科技有限公司 | High-reliability single-core high-current electric connector |
| CN110911909A (en) * | 2018-09-14 | 2020-03-24 | 广濑电机株式会社 | Coaxial connector assembly |
| CN114175414A (en) * | 2019-08-09 | 2022-03-11 | 株式会社自动网络技术研究所 | Connector and connector device |
| CN113972538A (en) * | 2020-07-24 | 2022-01-25 | 泰连德国有限公司 | Electrical ferrule, electrical connection device and electrical connector |
| CN113097793A (en) * | 2021-04-23 | 2021-07-09 | 镇江中铭电子有限公司 | Push-pull self-locking radio frequency connector |
| CN114725732A (en) * | 2022-03-09 | 2022-07-08 | 苏州诺克斯通讯科技有限公司 | Magnetic radio frequency coaxial connector |
| CN116914491A (en) * | 2023-09-11 | 2023-10-20 | 陕西四菱电子科技股份有限公司 | Integrated connector |
| CN116914491B (en) * | 2023-09-11 | 2023-11-28 | 陕西四菱电子科技股份有限公司 | Integrated connector |
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| CN101499586B (en) | 2011-03-30 |
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