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经营范围
发明名称
Improvements in or relating to punching machines
摘要
申请公布号
GB554469(A)
申请公布日期
1943.07.06
申请号
GB19410015529
申请日期
1941.12.02
申请人
AMERICAN CHAIN & CABLE COMPANY, INC.
发明人
分类号
B21D28/00
主分类号
B21D28/00
代理机构
代理人
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