CN203114213U - 一种工程钻杆垫叉 - Google Patents
一种工程钻杆垫叉 Download PDFInfo
- Publication number
- CN203114213U CN203114213U CN 201320069646 CN201320069646U CN203114213U CN 203114213 U CN203114213 U CN 203114213U CN 201320069646 CN201320069646 CN 201320069646 CN 201320069646 U CN201320069646 U CN 201320069646U CN 203114213 U CN203114213 U CN 203114213U
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- Prior art keywords
- fork
- drill rod
- cushion fork
- engineering drill
- monomer
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- 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.)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320069646 CN203114213U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻杆垫叉 |
Applications Claiming Priority (1)
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CN 201320069646 CN203114213U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻杆垫叉 |
Publications (1)
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CN203114213U true CN203114213U (zh) | 2013-08-07 |
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CN 201320069646 Expired - Fee Related CN203114213U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻杆垫叉 |
Country Status (1)
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CN (1) | CN203114213U (zh) |
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2013
- 2013-02-06 CN CN 201320069646 patent/CN203114213U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao Yang Sha Shanxi nine road No. 9 Building 1, No. 1, building 2, No. 1, building 4, No. 1 Patentee after: ZHEJIANG ZHONGRUI HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO., LTD. Address before: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao Yang Sha Shanxi nine road No. 9 Building 1, No. 1, building 2, No. 1, building 4, No. 1 Patentee before: Zhejiang Zhongrui Engineering Machinery Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20190206 |
|
CF01 | Termination of patent right due to non-payment of annual fee |