Procédé de fabrication d'un élément tubulaire et machine pour la mise en oeuvre de ce procédé.,申请号CHD302982-传众专利搜索

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发明名称	Procédé de fabrication d'un élément tubulaire et machine pour la mise en oeuvre de ce procédé.
摘要
申请公布号	CH302982(A)	申请公布日期	1954.11.15
申请号	CHD302982	申请日期	1952.04.01
申请人	BIGINELLI,ORESTE FLAVIO ALFREDO	发明人	ALFREDO BIGINELLI,ORESTE FLAVIO
分类号	B21C23/14	主分类号	B21C23/14
代理机构		代理人
主权项
地址

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