CN201043458Y - 一种简化式滚珠扶正射孔器中间接头 - Google Patents
一种简化式滚珠扶正射孔器中间接头 Download PDFInfo
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- CN201043458Y CN201043458Y CNU2007200310357U CN200720031035U CN201043458Y CN 201043458 Y CN201043458 Y CN 201043458Y CN U2007200310357 U CNU2007200310357 U CN U2007200310357U CN 200720031035 U CN200720031035 U CN 200720031035U CN 201043458 Y CN201043458 Y CN 201043458Y
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CNU2007200310357U CN201043458Y (zh) | 2007-01-11 | 2007-01-11 | 一种简化式滚珠扶正射孔器中间接头 |
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CNU2007200310357U CN201043458Y (zh) | 2007-01-11 | 2007-01-11 | 一种简化式滚珠扶正射孔器中间接头 |
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CN201043458Y true CN201043458Y (zh) | 2008-04-02 |
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CNU2007200310357U Expired - Lifetime CN201043458Y (zh) | 2007-01-11 | 2007-01-11 | 一种简化式滚珠扶正射孔器中间接头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103993861A (zh) * | 2014-05-28 | 2014-08-20 | 大庆华翰邦石油装备制造有限公司 | 一种圆周方向减阻定心装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103993861A (zh) * | 2014-05-28 | 2014-08-20 | 大庆华翰邦石油装备制造有限公司 | 一种圆周方向减阻定心装置 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BEIJING DADE GUANGYUAN OIL TECHNOLOGY SERVICE CO., Free format text: FORMER OWNER: XI'AN TONGYUAN PETROLEUM TECHNOLOGY CO., LTD. Effective date: 20090619 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090619 Address after: Beijing City, Chaoyang District Road No. 5, block C great center room 1401, zip code: 100101 Patentee after: BEIJING DADE GUANGYUAN PETROLEUM TECHNOLOGY SERVICE CO., LTD. Address before: Shaanxi city of Xi'an province science and technology high tech Zone two Road Software Park Lege Tang D301, zip code: 710075 Patentee before: Xi'an Tongyuan Petrotech Co., Ltd. |
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CX01 | Expiry of patent term |
Granted publication date: 20080402 |
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EXPY | Termination of patent right or utility model |