CN201371253Y - 大壁厚钢管倒棱的刀具 - Google Patents
大壁厚钢管倒棱的刀具 Download PDFInfo
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- CN201371253Y CN201371253Y CN200920010957U CN200920010957U CN201371253Y CN 201371253 Y CN201371253 Y CN 201371253Y CN 200920010957 U CN200920010957 U CN 200920010957U CN 200920010957 U CN200920010957 U CN 200920010957U CN 201371253 Y CN201371253 Y CN 201371253Y
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- cutter
- chamfering
- wall thickness
- blade
- steel pipe
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200920010957U CN201371253Y (zh) | 2009-02-23 | 2009-02-23 | 大壁厚钢管倒棱的刀具 |
Applications Claiming Priority (1)
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CN200920010957U CN201371253Y (zh) | 2009-02-23 | 2009-02-23 | 大壁厚钢管倒棱的刀具 |
Publications (1)
Publication Number | Publication Date |
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CN201371253Y true CN201371253Y (zh) | 2009-12-30 |
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CN200920010957U Expired - Fee Related CN201371253Y (zh) | 2009-02-23 | 2009-02-23 | 大壁厚钢管倒棱的刀具 |
Country Status (1)
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CN (1) | CN201371253Y (zh) |
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2009
- 2009-02-23 CN CN200920010957U patent/CN201371253Y/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Gao Guohong Inventor after: Ma Li Inventor after: Wang Mingyou Inventor after: Zhu Guowei Inventor before: Gao Guohong Inventor before: Ma Li Inventor before: Wang Mingfa Inventor before: Zhu Guowei |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GAO GUOHONG MA LI WANG MINGFA ZHU GUOWEI TO: GAO GUOHONG MA LI WANG MINGYOU ZHU GUOWEI |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20150223 |
|
EXPY | Termination of patent right or utility model |