Improvements in or relating to tube drawing mandrels with wearing surfaces of hard metal,申请号GB19360018980-传众专利搜索

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发明名称	Improvements in or relating to tube drawing mandrels with wearing surfaces of hard metal
摘要
申请公布号	GB458737(A)	申请公布日期	1936.12.24
申请号	GB19360018980	申请日期	1936.07.08
申请人	FAGERSTA BRUKS AKTIEBOLAG	发明人
分类号	B21C3/16	主分类号	B21C3/16
代理机构		代理人
主权项
地址

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