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经营范围
发明名称
Punching machine
摘要
申请公布号
US2771009(A)
申请公布日期
1956.11.20
申请号
US19520291444
申请日期
1952.06.03
申请人
CARROLL
发明人
CARROLL WALLACE E.;BOWLES JAMES M.
分类号
B26F1/36
主分类号
B26F1/36
代理机构
代理人
主权项
地址
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