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经营范围
发明名称
Punching device
摘要
申请公布号
US2590189(A)
申请公布日期
1952.03.25
申请号
US19490114961
申请日期
1949.09.10
申请人
GUARDIAN ELECTRIC MANUFACTURING CO.
发明人
LESZCZYNSKI RAYMOND STANLEY
分类号
B21D53/00
主分类号
B21D53/00
代理机构
代理人
主权项
地址
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