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发明名称
Sheet metal working machine
摘要
申请公布号
US2254289(A)
申请公布日期
1941.09.02
申请号
US19390250956
申请日期
1939.01.14
申请人
WHITNEY METAL TOOL COMPANY
发明人
JENSEN JOHN
分类号
B21D19/04
主分类号
B21D19/04
代理机构
代理人
主权项
地址
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