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经营范围
发明名称
Punching implement
摘要
申请公布号
US2114753(A)
申请公布日期
1938.04.19
申请号
US19350030890
申请日期
1935.07.11
申请人
THE B. F. GOODRICH COMPANY
发明人
WANER HARRY E.
分类号
B21D28/28
主分类号
B21D28/28
代理机构
代理人
主权项
地址
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