Procédé de forgeage des parois d'une tubulure,申请号CHD342823-传众专利搜索

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发明名称	Procédé de forgeage des parois d'une tubulure
摘要
申请公布号	CH342823(A)	申请公布日期	1959.11.30
申请号	CHD342823	申请日期	1957.09.19
申请人	HUET,ANDRE	发明人	HUET,ANDRE
分类号	B21C37/29	主分类号	B21C37/29
代理机构		代理人
主权项
地址

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