Procédé pour la fabrication de pièces d'acier en forme d'anneaux de grand diamètre à section rectangulaire,申请号FR19630932938-传众专利搜索

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发明名称	Procédé pour la fabrication de pièces d'acier en forme d'anneaux de grand diamètre à section rectangulaire
摘要
申请公布号	FR1362692(A)	申请公布日期	1964.06.05
申请号	FR19630932938	申请日期	1963.04.26
申请人	REGIE NATIONALE DES USINES RENAULT	发明人
分类号	B21D53/20;B21D53/26	主分类号	B21D53/20
代理机构		代理人
主权项
地址

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