CN204997116U - 麻花钻加长杆 - Google Patents
麻花钻加长杆 Download PDFInfo
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- CN204997116U CN204997116U CN201520774724.1U CN201520774724U CN204997116U CN 204997116 U CN204997116 U CN 204997116U CN 201520774724 U CN201520774724 U CN 201520774724U CN 204997116 U CN204997116 U CN 204997116U
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- extension bar
- hole
- fluted drill
- end extension
- rear end
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CN201520774724.1U CN204997116U (zh) | 2015-10-09 | 2015-10-09 | 麻花钻加长杆 |
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CN201520774724.1U CN204997116U (zh) | 2015-10-09 | 2015-10-09 | 麻花钻加长杆 |
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CN204997116U true CN204997116U (zh) | 2016-01-27 |
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CN201520774724.1U Active CN204997116U (zh) | 2015-10-09 | 2015-10-09 | 麻花钻加长杆 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108775227A (zh) * | 2018-07-20 | 2018-11-09 | 中国电建集团河南工程有限公司 | 多节组合加长钻头装置及施工方法 |
CN110315644A (zh) * | 2019-06-19 | 2019-10-11 | 河北华友古建筑工程股份有限公司 | 一种便于转运的顶孔机 |
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2015
- 2015-10-09 CN CN201520774724.1U patent/CN204997116U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108775227A (zh) * | 2018-07-20 | 2018-11-09 | 中国电建集团河南工程有限公司 | 多节组合加长钻头装置及施工方法 |
CN110315644A (zh) * | 2019-06-19 | 2019-10-11 | 河北华友古建筑工程股份有限公司 | 一种便于转运的顶孔机 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 050000 Hebei Province, Shijiazhuang city Yuhua District Donggang Road No. 75 East Century Garden Room 20-901 Patentee after: Hebei Hua Yougu construction engineering Limited by Share Ltd Address before: 050000 Hebei Province, Shijiazhuang city Yuhua District Donggang Road No. 75 East Century Garden Room 20-901 Patentee before: SHIJIAZHUANG HUAYOU ELECTRONICS CO., LTD. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 050000 Hebei Province, Shijiazhuang city Yuhua District Donggang Road No. 75 East Century Garden Room 20-901 Patentee after: Hebei Huayou cultural heritage protection Co., Ltd Address before: 050000 Hebei Province, Shijiazhuang city Yuhua District Donggang Road No. 75 East Century Garden Room 20-901 Patentee before: HEBEI H.&Y. ANCIENT BUILDING ENGINEERING Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |