Procédé pour la fabrication de conduits de ventilation, et conduits de ventilationobtenus par ce procédé,申请号FR19670092632-传众专利搜索

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发明名称	Procédé pour la fabrication de conduits de ventilation, et conduits de ventilationobtenus par ce procédé
摘要
申请公布号	FR1509489(A)	申请公布日期	1968.01.12
申请号	FR19670092632	申请日期	1967.01.26
申请人		发明人	JOHANNESSON GUSTAF
分类号	B28B19/00;F16L58/02;F16L58/10;F24F13/02	主分类号	B28B19/00
代理机构		代理人
主权项
地址

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