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发明名称
Method of manufacturing dished disks and the like
摘要
申请公布号
US2983033(A)
申请公布日期
1961.05.09
申请号
US19600001398
申请日期
1960.01.04
申请人
COX DARWIN S
发明人
COX DARWIN S.
分类号
B21D53/26
主分类号
B21D53/26
代理机构
代理人
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地址
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