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发明名称
Die assembly
摘要
申请公布号
US2928526(A)
申请公布日期
1960.03.15
申请号
US19540435015
申请日期
1954.06.07
申请人
KERR WALLACE E
发明人
KERR WALLACE E.
分类号
B21C3/12
主分类号
B21C3/12
代理机构
代理人
主权项
地址
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