Procédé de fabrication de pièces creuses et articles obtenus,申请号FRD70247-传众专利搜索

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发明名称	Procédé de fabrication de pièces creuses et articles obtenus
摘要
申请公布号	FR70247(E)	申请公布日期	1959.03.25
申请号	FRD70247	申请日期	1956.06.06
申请人	SOCIETE DES ACIERIES DE POMPEY	发明人	PAULMIER ROLAND
分类号	B21C1/26	主分类号	B21C1/26
代理机构		代理人
主权项
地址

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