Procédé et dispositif pour déceler les joints défectueux des rails de voie ferrée,申请号FRD731645-传众专利搜索

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发明名称	Procédé et dispositif pour déceler les joints défectueux des rails de voie ferrée
摘要
申请公布号	FR731645(A)	申请公布日期	1932.09.05
申请号	FRD731645	申请日期	1932.02.22
申请人	COMPAGNIE DE SIGNAUX & D'ENTREPRISES ELECTRIQUES	发明人
分类号	B61K9/10	主分类号	B61K9/10
代理机构		代理人
主权项
地址

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