Procédé de forgeage de coudes à 180 degrés, matrice propre à la mise en oeuvre du procédé et produits obtenus par ce procédé,申请号FRD50774-传众专利搜索

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发明名称	Procédé de forgeage de coudes à 180 degrés, matrice propre à la mise en oeuvre du procédé et produits obtenus par ce procédé
摘要
申请公布号	FR50774(E)	申请公布日期	1941.03.26
申请号	FRD50774	申请日期	1939.07.07
申请人	COMPAGNIE DES SURCHAUFFEURS	发明人
分类号	B21C37/28	主分类号	B21C37/28
代理机构		代理人
主权项
地址

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