Improvements in or relating to a method of and apparatus for upsetting the ends of tubes,申请号GB19300017657-传众专利搜索

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发明名称	Improvements in or relating to a method of and apparatus for upsetting the ends of tubes
摘要
申请公布号	GB351222(A)	申请公布日期	1931.06.25
申请号	GB19300017657	申请日期	1930.06.06
申请人	MANNESMANNROEHREN-WERKE	发明人
分类号	B21J9/06	主分类号	B21J9/06
代理机构		代理人
主权项
地址

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