Perfectionnements aux dispositifs pour détecter les corps ferreux ou magnétiques ou les irrégularités qui existent dans les objets ferreux ou magnétiques,申请号FRD928347-传众专利搜索

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发明名称	Perfectionnements aux dispositifs pour détecter les corps ferreux ou magnétiques ou les irrégularités qui existent dans les objets ferreux ou magnétiques
摘要
申请公布号	FR928347(A)	申请公布日期	1947.11.25
申请号	FRD928347	申请日期	1946.05.20
申请人		发明人	FEVROT CHARLES-ROGER
分类号	G01V3/10	主分类号	G01V3/10
代理机构		代理人
主权项
地址

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