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发明名称
Method of making dies
摘要
申请公布号
US1950604(A)
申请公布日期
1934.03.13
申请号
US19310542824
申请日期
1931.06.08
申请人
BRIGGS & STRATTON CORPORATION
发明人
GERALD JOHN W. FITZ
分类号
B21D37/20
主分类号
B21D37/20
代理机构
代理人
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地址
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