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发明名称
SUPPORT FOR GROUPS OF COLLS
摘要
申请公布号
SU565740(A1)
申请公布日期
1977.07.25
申请号
SU19762331912
申请日期
1976.03.03
申请人
MINKIN BORIS R,SU
发明人
MINKIN BORIS R,SU
分类号
B21C47/28;(IPC1-7):B21C47/28
主分类号
B21C47/28
代理机构
代理人
主权项
地址
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