Lunette pour soudure autogène transformable en masque pour soudure électrique,申请号FRD863945-传众专利搜索

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发明名称	Lunette pour soudure autogène transformable en masque pour soudure électrique
摘要
申请公布号	FR863945(A)	申请公布日期	1941.04.12
申请号	FRD863945	申请日期	1940.03.09
申请人		发明人	CLAUDE BEAUVERGER ANDRE
分类号		主分类号
代理机构		代理人
主权项
地址

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