CN204782769U - 一种凿石机的钻头结构 - Google Patents
一种凿石机的钻头结构 Download PDFInfo
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CN201520347488.5U CN204782769U (zh) | 2015-05-27 | 2015-05-27 | 一种凿石机的钻头结构 |
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Cited By (1)
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CN104948112A (zh) * | 2015-05-27 | 2015-09-30 | 成都绿迪科技有限公司 | 一种凿石机的钻头结构 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104948112A (zh) * | 2015-05-27 | 2015-09-30 | 成都绿迪科技有限公司 | 一种凿石机的钻头结构 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Wu Fanglin Inventor before: Liang Feng |
|
COR | Change of bibliographic data | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160525 Address after: 408003 Chongqing city Fuling District Fu Qing Road No. 100 (Jiangdong office group seven Lu Tuo group) Patentee after: Chongqing Luqiao Fuling Engineering Co.,Ltd. Address before: 408003, No. 7, group 439, Jiangdong group, Jiangdong District, Chongqing, Fuling Patentee before: Wu Fanglin Effective date of registration: 20160525 Address after: 408003, No. 7, group 439, Jiangdong group, Jiangdong District, Chongqing, Fuling Patentee after: Wu Fanglin Address before: 610000 Jinjiang District, Chengdu, East Street, 18-32 No. 1, floor 5, layer 517, Patentee before: CHENGDU LYUDI TECHNOLOGY Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180527 |