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发明名称
Needle sharpening device
摘要
申请公布号
US2402245(A)
申请公布日期
1946.06.18
申请号
US19450609131
申请日期
1945.08.06
申请人
FREELAND WARD C
发明人
FREELAND WARD C.
分类号
A61M5/00;B24B19/16
主分类号
A61M5/00
代理机构
代理人
主权项
地址
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