CN2479183Y - 石油地矿勘探用梳齿式三翼钻头 - Google Patents
石油地矿勘探用梳齿式三翼钻头 Download PDFInfo
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- CN2479183Y CN2479183Y CN 01222870 CN01222870U CN2479183Y CN 2479183 Y CN2479183 Y CN 2479183Y CN 01222870 CN01222870 CN 01222870 CN 01222870 U CN01222870 U CN 01222870U CN 2479183 Y CN2479183 Y CN 2479183Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 01222870 CN2479183Y (zh) | 2001-04-29 | 2001-04-29 | 石油地矿勘探用梳齿式三翼钻头 |
Applications Claiming Priority (1)
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CN 01222870 CN2479183Y (zh) | 2001-04-29 | 2001-04-29 | 石油地矿勘探用梳齿式三翼钻头 |
Publications (1)
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CN2479183Y true CN2479183Y (zh) | 2002-02-27 |
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CN 01222870 Expired - Fee Related CN2479183Y (zh) | 2001-04-29 | 2001-04-29 | 石油地矿勘探用梳齿式三翼钻头 |
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CN (1) | CN2479183Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104594815A (zh) * | 2014-11-21 | 2015-05-06 | 广西智通节能环保科技有限公司 | 一种岩心钻机 |
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2001
- 2001-04-29 CN CN 01222870 patent/CN2479183Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104594815A (zh) * | 2014-11-21 | 2015-05-06 | 广西智通节能环保科技有限公司 | 一种岩心钻机 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: GEOPHYSICAL PROSPECTING BUREAU, CHINA PETROLEUM GR Free format text: FORMER NAME OR ADDRESS: EQUIPMENT MANUFACTURING GENERAL FACTORY, PETROLEUM GEOPHYSICAL SURVEY BUREAU MACHINERY PLANT |
|
CP03 | Change of name, title or address |
Address after: 072751 Hebei province Zhuozhou 11 mailbox, petroleum geophysical prospecting bureau science and Technology Development Department Patentee after: Geophysical Exploration Bureau, China Petroleum Group Address before: 121-6 box 072553, Xushui County, Hebei Province Patentee before: Machinery Plant of Petroleum Geophysical Prospecting Bureau Appts. Mfg. General |
|
C56 | Change in the name or address of the patentee |
Owner name: DONGFANG GEOPHYSICAL EXPLORATION CO., LTD., SINOPE Free format text: FORMER NAME OR ADDRESS: GEOPHYSICAL PROSPECTING BUREAU, CHINA PETROLEUM GROUP |
|
CP03 | Change of name, title or address |
Address after: 072751 mail technology and information department, box 11, Hebei, Zhuozhou Patentee after: Dongfang Geophysical Exploration Co., Ltd., China Petrochemical Corp. Address before: Science and technology development department, bureau of petroleum geophysical prospecting, box 11, Zhuozhou, Hebei Patentee before: Geophysical Exploration Bureau, China Petroleum Group |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020227 |