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经营范围
发明名称
Punch and die mechanism
摘要
申请公布号
US2371565(A)
申请公布日期
1945.03.13
申请号
US19440541370
申请日期
1944.06.21
申请人
WHISTLER LAWRENCE V;WHISTLER SANFORD A
发明人
WHISTLER LAWRENCE V.;WHISTLER SANFORD A.
分类号
B21D28/34
主分类号
B21D28/34
代理机构
代理人
主权项
地址
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