CN203114224U - 一种工程钻头打捞器 - Google Patents
一种工程钻头打捞器 Download PDFInfo
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- CN203114224U CN203114224U CN 201320069618 CN201320069618U CN203114224U CN 203114224 U CN203114224 U CN 203114224U CN 201320069618 CN201320069618 CN 201320069618 CN 201320069618 U CN201320069618 U CN 201320069618U CN 203114224 U CN203114224 U CN 203114224U
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- pull bar
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- drill bit
- drilling rod
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Application Number | Priority Date | Filing Date | Title |
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CN 201320069618 CN203114224U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻头打捞器 |
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CN 201320069618 CN203114224U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻头打捞器 |
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CN203114224U true CN203114224U (zh) | 2013-08-07 |
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CN 201320069618 Expired - Fee Related CN203114224U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻头打捞器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103470204A (zh) * | 2013-09-26 | 2013-12-25 | 中铁十六局集团第三工程有限公司 | 一种钻头打捞装置 |
CN110259403A (zh) * | 2019-07-19 | 2019-09-20 | 武汉建工集团股份有限公司 | 一种安全便捷式打捞旋挖机钻头的装置 |
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2013
- 2013-02-06 CN CN 201320069618 patent/CN203114224U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103470204A (zh) * | 2013-09-26 | 2013-12-25 | 中铁十六局集团第三工程有限公司 | 一种钻头打捞装置 |
CN103470204B (zh) * | 2013-09-26 | 2016-06-29 | 中铁十六局集团第三工程有限公司 | 一种钻头打捞装置 |
CN110259403A (zh) * | 2019-07-19 | 2019-09-20 | 武汉建工集团股份有限公司 | 一种安全便捷式打捞旋挖机钻头的装置 |
CN110259403B (zh) * | 2019-07-19 | 2024-03-19 | 武汉建工集团股份有限公司 | 一种安全便捷式打捞旋挖机钻头的装置 |
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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 | ||
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. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao ocean sand Shanxi nine road No. 9 Building 1 No. 1 Building 2, No. 1 building 4, No. 1 Patentee after: Zhejiang Zhongrui Heavy Engineering Technology Co., Ltd. Address before: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao ocean sand Shanxi nine road No. 9 Building 1 No. 1 Building 2, No. 1 building 4, No. 1 Patentee before: ZHEJIANG ZHONGRUI HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder | ||
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 |