Procédé de fabrication de pièces tubulaires en métal,申请号FRD1069791-传众专利搜索

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发明名称	Procédé de fabrication de pièces tubulaires en métal
摘要
申请公布号	FR1069791(A)	申请公布日期	1954.07.13
申请号	FRD1069791	申请日期	1952.12.31
申请人		发明人	HUET ANDRE
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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