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摘要
申请公布号
US2348439(A)
申请公布日期
1944.05.09
申请号
US19420428252
申请日期
1942.01.26
申请人
HANNIFIN MANUFACTURING CO.
发明人
PETERSON VICTOR W.;MAHA OTTO J.
分类号
B21J15/20
主分类号
B21J15/20
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