CN203062963U - 一种金刚石工程薄壁钻基体结构 - Google Patents
一种金刚石工程薄壁钻基体结构 Download PDFInfo
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- CN203062963U CN203062963U CN 201220732423 CN201220732423U CN203062963U CN 203062963 U CN203062963 U CN 203062963U CN 201220732423 CN201220732423 CN 201220732423 CN 201220732423 U CN201220732423 U CN 201220732423U CN 203062963 U CN203062963 U CN 203062963U
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CN 201220732423 CN203062963U (zh) | 2012-12-27 | 2012-12-27 | 一种金刚石工程薄壁钻基体结构 |
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CN 201220732423 CN203062963U (zh) | 2012-12-27 | 2012-12-27 | 一种金刚石工程薄壁钻基体结构 |
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CN 201220732423 Expired - Fee Related CN203062963U (zh) | 2012-12-27 | 2012-12-27 | 一种金刚石工程薄壁钻基体结构 |
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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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151209 Address after: 610073 Chengdu City, Qingyang Province Huang Tian dam Union Village, the society of the six, Patentee after: CHENGDU HUIFENG DIAMONDS TOOLS CO., LTD. Address before: Hangzhou City, Zhejiang province 311700 Chunan Qiandaohu Town Industrial Park Yongxing Gushan Road No. 231 Patentee before: Hangzhou Zuanhu Diamond Tool Co., Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 610073 Chengdu City, Qingyang Province Huang Tian dam Union Village, the society of the six, Patentee after: Chengdu Huifeng new material Polytron Technologies Inc Address before: 610073 Chengdu City, Qingyang Province Huang Tian dam Union Village, the society of the six, Patentee before: CHENGDU HUIFENG DIAMONDS TOOLS 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: 20130717 Termination date: 20191227 |