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发明名称
EXTRUDING TUBES WITH OFF-CENTRE BORES
摘要
申请公布号
GB8414410(D0)
申请公布日期
1984.07.11
申请号
GB19840014410
申请日期
1984.06.06
申请人
OTIS ENG CORPORATION
发明人
分类号
B21C23/14;B21C23/08;B21C25/00;B21C25/04;(IPC1-7):B21C23/08
主分类号
B21C23/14
代理机构
代理人
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