Perfectionnements aux machines pour le travail des métaux au chalumeau,申请号FRD937030-传众专利搜索

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发明名称	Perfectionnements aux machines pour le travail des métaux au chalumeau
摘要
申请公布号	FR937030(A)	申请公布日期	1948.08.05
申请号	FRD937030	申请日期	1942.05.11
申请人	L'AIR LIQUIDE	发明人
分类号	B23K7/00	主分类号	B23K7/00
代理机构		代理人
主权项
地址

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