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发明名称
Unitary punch and die assembly
摘要
申请公布号
US3253493(A)
申请公布日期
1966.05.31
申请号
US19640362576
申请日期
1964.04.27
申请人
PUNCH PRODUCTS CORPORATION
发明人
WEISBECK RALPH L.
分类号
B21D28/26
主分类号
B21D28/26
代理机构
代理人
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