Masque protecteur pour la soudure à l'arc,申请号FRD948790-传众专利搜索

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法人/股东/高管

发明名称	Masque protecteur pour la soudure à l'arc
摘要
申请公布号	FR948790(A)	申请公布日期	1949.08.10
申请号	FRD948790	申请日期	1947.06.17
申请人		发明人	BRULE JEAN
分类号	A61F9/06	主分类号	A61F9/06
代理机构		代理人
主权项
地址

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