Verfahren zur Herstellung von duennwandigen Rohren,申请号DE1942D002740D-传众专利搜索

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发明名称	Verfahren zur Herstellung von duennwandigen Rohren
摘要
申请公布号	DE873533(C)	申请公布日期	1953.04.16
申请号	DE1942D002740D	申请日期	1942.12.16
申请人	RHEINISCHE ROEHRENWERKE AKTIENGESELLSCHAFT	发明人	ESSER HEINRICH
分类号	B23K20/00	主分类号	B23K20/00
代理机构		代理人
主权项
地址

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