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发明名称
Die set for punch presses
摘要
申请公布号
US2545560(A)
申请公布日期
1951.03.20
申请号
US19490083647
申请日期
1949.03.26
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SCOTT GEORGE
分类号
B21D37/04
主分类号
B21D37/04
代理机构
代理人
主权项
地址
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