CN212794853U - 一种手持电钻加长杆结构 - Google Patents
一种手持电钻加长杆结构 Download PDFInfo
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- CN212794853U CN212794853U CN202020670072.8U CN202020670072U CN212794853U CN 212794853 U CN212794853 U CN 212794853U CN 202020670072 U CN202020670072 U CN 202020670072U CN 212794853 U CN212794853 U CN 212794853U
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- 230000008595 infiltration Effects 0.000 claims 2
- 238000001764 infiltration Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 11
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- 238000005553 drilling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
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CN202020670072.8U CN212794853U (zh) | 2020-04-28 | 2020-04-28 | 一种手持电钻加长杆结构 |
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CN114700522A (zh) * | 2022-04-21 | 2022-07-05 | 深圳市中扬数控机床有限公司 | 一种钻孔机床 |
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CN114700522A (zh) * | 2022-04-21 | 2022-07-05 | 深圳市中扬数控机床有限公司 | 一种钻孔机床 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20240227 Address after: No. 17, Rendi Village, Songlou Town, Xiajin County, Dezhou City, Shandong Province, 253200 Patentee after: Ren Songtang Country or region after: China Address before: 221000 Qidong Group 7, No. 100, Qishan Town, Peixian County, Xuzhou City, Jiangsu Province Patentee before: Meng Qianqian Country or region before: China |
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Effective date of registration: 20240312 Address after: No. 219, South Street, Shengli Road, Xinxiang City, Henan Province, 453000 Patentee after: Xinxiang Tongyang Building Decoration Engineering Co.,Ltd. Country or region after: China Address before: No. 17, Rendi Village, Songlou Town, Xiajin County, Dezhou City, Shandong Province, 253200 Patentee before: Ren Songtang Country or region before: China |
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TR01 | Transfer of patent right |