PIPE DRAWING PLUG WITH HYDRODYNAMIC LUBRICATIONOJJ,申请号PL19760194412-传众专利搜索

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发明名称	PIPE DRAWING PLUG WITH HYDRODYNAMIC LUBRICATIONOJJ
摘要
申请公布号	PL118135(B1)	申请公布日期	1981.09.30
申请号	PL19760194412	申请日期	1976.12.13
申请人		发明人
分类号	B21C;B21C3/16;(IPC1-7):B21C3/16	主分类号	B21C
代理机构		代理人
主权项
地址

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