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发明名称
Press
摘要
申请公布号
US2522746(A)
申请公布日期
1950.09.19
申请号
US19470770002
申请日期
1947.08.22
申请人
LIMA-HAMILTON CORPORATION
发明人
BYERLEIN ARTHUR A.
分类号
B21D24/12;B30B1/28
主分类号
B21D24/12
代理机构
代理人
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