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发明名称
Press
摘要
申请公布号
US2403339(A)
申请公布日期
1946.07.02
申请号
US19430480765
申请日期
1943.03.27
申请人
GENERAL MACHINERY CORPORATION
发明人
BYERLEIN ARTHUR A.
分类号
B21D24/02
主分类号
B21D24/02
代理机构
代理人
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