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发明名称
EXTRUDING TUBES
摘要
申请公布号
GB8528457(D0)
申请公布日期
1985.12.24
申请号
GB19850028457
申请日期
1985.11.19
申请人
OTIS ENG CORPORATION
发明人
分类号
B21C23/01;B21C23/08;B21C25/00;B21C25/04;(IPC1-7):B21C23/08
主分类号
B21C23/01
代理机构
代理人
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