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发明名称
Cold-working process for articles
摘要
申请公布号
US2807971(A)
申请公布日期
1957.10.01
申请号
US19520270095
申请日期
1952.02.05
申请人
RADIO CORPORATION OF AMERICA
发明人
GARNER LLOYD P.;PARKER WILLIAM N.
分类号
B21D22/16;B21H1/20
主分类号
B21D22/16
代理机构
代理人
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地址
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