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经营范围
发明名称
Process for making split rimmed rings
摘要
申请公布号
US3314273(A)
申请公布日期
1967.04.18
申请号
US19640351404
申请日期
1964.03.12
申请人
GENERAL ELECTRIC COMPANY
发明人
SOLLOHUB RAYMOND J.
分类号
B21D53/16
主分类号
B21D53/16
代理机构
代理人
主权项
地址
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