Patent Title | Improved single-edged blade angle structure after the drilling of the needle |
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Patent Number | M 465214 |
Patent Country | ROC |
Publish Date | 2013/11/13 |
Year | 2013 |
Authors | An-Chen Lee |
Language | Chinese |
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Patent Title | Improved single-edged blade angle structure after the drilling of the needle |
---|---|
Patent Number | M 465214 |
Patent Country | ROC |
Publish Date | 2013/11/13 |
Year | 2013 |
Authors | An-Chen Lee |
Language | Chinese |