Procédé perfectionné pour la fabrication des tuyaux en béton centrifugé et appareils pour l'application de ce procédé,申请号FRD987126-传众专利搜索

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发明名称	Procédé perfectionné pour la fabrication des tuyaux en béton centrifugé et appareils pour l'application de ce procédé
摘要
申请公布号	FR987126(A)	申请公布日期	1951.08.09
申请号	FRD987126	申请日期	1949.03.31
申请人	S.T.D.A. (SOCIETE DE TUYAUX DE DISTRIBUTION, DRAINAGE ET ASSAINISSEMENT)	发明人
分类号	B28B21/30	主分类号	B28B21/30
代理机构		代理人
主权项
地址

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