Improvements in and relating to processes for rolling tubes,申请号GB19370003846-传众专利搜索

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发明名称	Improvements in and relating to processes for rolling tubes
摘要
申请公布号	GB469931(A)	申请公布日期	1937.08.05
申请号	GB19370003846	申请日期	1937.02.09
申请人	HANS SCHUSTER	发明人
分类号	B21B21/00	主分类号	B21B21/00
代理机构		代理人
主权项
地址

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