Procédé pour le laminage de tubes métalliques sans soudure et en particulier de tubes longs et minces,申请号FRD981902-传众专利搜索

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发明名称	Procédé pour le laminage de tubes métalliques sans soudure et en particulier de tubes longs et minces
摘要
申请公布号	FR981902(A)	申请公布日期	1951.06.01
申请号	FRD981902	申请日期	1943.05.10
申请人	LOUVROIL-MONTBARD-AULNOYE	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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