CN203756074U - 一种动力头钻机用上卸扣钻具提引器 - Google Patents
一种动力头钻机用上卸扣钻具提引器 Download PDFInfo
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- CN203756074U CN203756074U CN201420045164.1U CN201420045164U CN203756074U CN 203756074 U CN203756074 U CN 203756074U CN 201420045164 U CN201420045164 U CN 201420045164U CN 203756074 U CN203756074 U CN 203756074U
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- drilling tool
- power head
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- elevator
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CN201420045164.1U CN203756074U (zh) | 2014-01-24 | 2014-01-24 | 一种动力头钻机用上卸扣钻具提引器 |
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CN201420045164.1U CN203756074U (zh) | 2014-01-24 | 2014-01-24 | 一种动力头钻机用上卸扣钻具提引器 |
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CN203756074U true CN203756074U (zh) | 2014-08-06 |
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CN201420045164.1U Withdrawn - After Issue CN203756074U (zh) | 2014-01-24 | 2014-01-24 | 一种动力头钻机用上卸扣钻具提引器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103711441A (zh) * | 2014-01-24 | 2014-04-09 | 天津探矿机械有限公司 | 一种动力头钻机用上卸扣钻具提引器 |
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2014
- 2014-01-24 CN CN201420045164.1U patent/CN203756074U/zh not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103711441A (zh) * | 2014-01-24 | 2014-04-09 | 天津探矿机械有限公司 | 一种动力头钻机用上卸扣钻具提引器 |
CN103711441B (zh) * | 2014-01-24 | 2015-11-18 | 天津探矿机械有限公司 | 一种动力头钻机用上卸扣钻具提引器 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Yonggang Inventor after: Ding Rui Inventor after: Er Fengshan Inventor after: Fang Qing Inventor after: Lv Guanghui Inventor before: Liu Yonggang Inventor before: Yu Rui Inventor before: Er Fengshan Inventor before: Fang Qing Inventor before: Lv Guanghui |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU YONGGANG YU RUI ER FENGSHAN FANG QING LV GUANGHUI TO: LIU YONGGANG DING RUI ER FENGSHAN FANG QING LV GUANGHUI |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20151118 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |