CN203201471U - 一种干式取芯钻头 - Google Patents
一种干式取芯钻头 Download PDFInfo
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- CN203201471U CN203201471U CN 201320096007 CN201320096007U CN203201471U CN 203201471 U CN203201471 U CN 203201471U CN 201320096007 CN201320096007 CN 201320096007 CN 201320096007 U CN201320096007 U CN 201320096007U CN 203201471 U CN203201471 U CN 203201471U
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CN 201320096007 CN203201471U (zh) | 2013-03-02 | 2013-03-02 | 一种干式取芯钻头 |
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CN 201320096007 CN203201471U (zh) | 2013-03-02 | 2013-03-02 | 一种干式取芯钻头 |
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CN203201471U true CN203201471U (zh) | 2013-09-18 |
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CN 201320096007 Expired - Fee Related CN203201471U (zh) | 2013-03-02 | 2013-03-02 | 一种干式取芯钻头 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104596790A (zh) * | 2015-01-09 | 2015-05-06 | 山东科技大学 | 一种软岩干式取芯装置及取芯方法 |
CN106226119A (zh) * | 2016-07-20 | 2016-12-14 | 辽宁省水利水电科学研究院 | 一种混凝土原状样采集装置 |
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2013
- 2013-03-02 CN CN 201320096007 patent/CN203201471U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104596790A (zh) * | 2015-01-09 | 2015-05-06 | 山东科技大学 | 一种软岩干式取芯装置及取芯方法 |
CN104596790B (zh) * | 2015-01-09 | 2017-01-25 | 山东科技大学 | 一种软岩干式取芯装置及取芯方法 |
CN106226119A (zh) * | 2016-07-20 | 2016-12-14 | 辽宁省水利水电科学研究院 | 一种混凝土原状样采集装置 |
CN106226119B (zh) * | 2016-07-20 | 2023-07-04 | 辽宁省水利水电科学研究院有限责任公司 | 一种混凝土原状样采集装置 |
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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: ANHUI LIFENG MACHINERY TOOL CO., LTD. Free format text: FORMER NAME: CHIZHOU LIFENG DIAMOND TOOL CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 242800 Anhui city of Chizhou province Qingyang County Ding Qiao Zhen Ma Tang Industrial Zone Patentee after: Anhui Lifeng Machinery Tool Co., Ltd. Address before: 242800 Anhui city of Chizhou province Qingyang County Ding Qiao Zhen Ma Tang Industrial Zone Patentee before: Chizhou Lifeng Diamond Tool Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140302 |