Installation pour la réalisation des soudures dans la fabrication de tuyaux,申请号FRD1171160-传众专利搜索

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发明名称	Installation pour la réalisation des soudures dans la fabrication de tuyaux
摘要
申请公布号	FR1171160(A)	申请公布日期	1959.01.22
申请号	FRD1171160	申请日期	1957.04.06
申请人		发明人	STRADTMANN FRIEDRICH HEINRICH
分类号	B21C37/12;B23K9/032	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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