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发明名称
Perfectionnements apportés aux articles métalliques effilés tels qu'aiguilles dentaires, aiguilles hypodermiques, etc.
摘要
申请公布号
FR921629(A)
申请公布日期
1947.05.13
申请号
FRD921629
申请日期
1945.09.21
申请人
发明人
EVERETT SAMUEL JAMES
分类号
A61M5/32;C21D8/00
主分类号
A61M5/32
代理机构
代理人
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