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发明名称
Method of making expanded metal products
摘要
申请公布号
US2215658(A)
申请公布日期
1940.09.24
申请号
US19400326358
申请日期
1940.03.28
申请人
CECO STEEL PRODUCTS CORPORATION
发明人
ARENS JOSEPH P.;JANDA RUDOLPH W.
分类号
B21D31/04
主分类号
B21D31/04
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