Procédé de fabrication de corps creux en métal, en forme de gobelet à parois épaisses, par creusage d'un bloc introduit dans une matrice,申请号FRD823002-传众专利搜索

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发明名称	Procédé de fabrication de corps creux en métal, en forme de gobelet à parois épaisses, par creusage d'un bloc introduit dans une matrice
摘要
申请公布号	FR823002(A)	申请公布日期	1938.01.12
申请号	FRD823002	申请日期	1937.06.12
申请人	TUBE INDUSTRIAL PARTICIPATION LTD	发明人
分类号	B21C26/00;B21J9/04	主分类号	B21C26/00
代理机构		代理人
主权项
地址

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