CN2714211Y - 更换出钢口用钻头 - Google Patents
更换出钢口用钻头 Download PDFInfo
- Publication number
- CN2714211Y CN2714211Y CN 200420081818 CN200420081818U CN2714211Y CN 2714211 Y CN2714211 Y CN 2714211Y CN 200420081818 CN200420081818 CN 200420081818 CN 200420081818 U CN200420081818 U CN 200420081818U CN 2714211 Y CN2714211 Y CN 2714211Y
- Authority
- CN
- China
- Prior art keywords
- drill bit
- utility
- model
- tapping hole
- bit body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420081818 CN2714211Y (zh) | 2004-08-13 | 2004-08-13 | 更换出钢口用钻头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420081818 CN2714211Y (zh) | 2004-08-13 | 2004-08-13 | 更换出钢口用钻头 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2714211Y true CN2714211Y (zh) | 2005-08-03 |
Family
ID=34874751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420081818 Expired - Fee Related CN2714211Y (zh) | 2004-08-13 | 2004-08-13 | 更换出钢口用钻头 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2714211Y (zh) |
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2004
- 2004-08-13 CN CN 200420081818 patent/CN2714211Y/zh not_active Expired - Fee Related
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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 |
Owner name: SHANGHAIPINHUA METALLURGY MACHINE EQUIPMENT MANUFA Free format text: FORMER NAME OR ADDRESS: SHANGHAI PINHUA METALLURGY MACHINE EQUIPMENT FACTORY |
|
CP03 | Change of name, title or address |
Address after: 8358, Lane 101, Hu Tai Road, Shanghai, Baoshan District: 201908 Patentee after: Shanghai Hua Hua Metallurgical Machinery Equipment Manufacturing Co., Ltd. Address before: Shanghai City, Baoshan Luo Jing pan Chuan Road No. 1758, zip code: 200949 Patentee before: Shanghai Pinhua Metallurgical Machinery Equipment Manufacturing Factory |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050803 Termination date: 20130813 |