CN203114179U - 一种工程钻机用球齿刀钻头 - Google Patents
一种工程钻机用球齿刀钻头 Download PDFInfo
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- CN203114179U CN203114179U CN 201320069851 CN201320069851U CN203114179U CN 203114179 U CN203114179 U CN 203114179U CN 201320069851 CN201320069851 CN 201320069851 CN 201320069851 U CN201320069851 U CN 201320069851U CN 203114179 U CN203114179 U CN 203114179U
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Application Number | Priority Date | Filing Date | Title |
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CN 201320069851 CN203114179U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻机用球齿刀钻头 |
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CN 201320069851 CN203114179U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻机用球齿刀钻头 |
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CN203114179U true CN203114179U (zh) | 2013-08-07 |
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CN 201320069851 Expired - Fee Related CN203114179U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻机用球齿刀钻头 |
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CN (1) | CN203114179U (zh) |
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2013
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao ocean sand Shanxi nine road No. 9 Building 1 No. 1 Building 2, No. 1 building 4, No. 1 Patentee after: ZHEJIANG ZHONGRUI HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO., LTD. Address before: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao Yang Sha Shanxi nine road No. 9 Building 1, No. 1 Patentee before: Zhejiang Zhongrui Engineering Machinery 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: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao ocean sand Shanxi nine road No. 9 Building 1 No. 1 Building 2, No. 1 building 4, No. 1 Patentee after: Zhejiang Zhongrui Heavy Engineering Technology Co., Ltd. Address before: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao ocean sand Shanxi nine road No. 9 Building 1 No. 1 Building 2, No. 1 building 4, No. 1 Patentee before: ZHEJIANG ZHONGRUI HEAVY INDUSTRY SCIENCE AND 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: 20130807 Termination date: 20190206 |