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发明名称
Coil cradle
摘要
申请公布号
US2622816(A)
申请公布日期
1952.12.23
申请号
US19490091663
申请日期
1949.05.06
申请人
ASSOCIATED PATENTEES, INC.
发明人
KOCH FREDERICK
分类号
B21C47/18
主分类号
B21C47/18
代理机构
代理人
主权项
地址
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