MANDREL FOR TUBE DRAWING,申请号YU19710002170-传众专利搜索

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发明名称	MANDREL FOR TUBE DRAWING
摘要
申请公布号	YU217071(A)	申请公布日期	1977.10.31
申请号	YU19710002170	申请日期	1971.08.25
申请人	METALLWERK PLANSEE AG, KG	发明人
分类号	B21C3/16;(IPC1-7):B21C3/16;B21C1/24	主分类号	B21C3/16
代理机构		代理人
主权项
地址

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