Signal avertisseur semi-automatique ou automatique pour locomotives,申请号FRD697196-传众专利搜索

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发明名称	Signal avertisseur semi-automatique ou automatique pour locomotives
摘要
申请公布号	FR697196(A)	申请公布日期	1931.01.13
申请号	FRD697196	申请日期	1930.06.11
申请人		发明人	GASENKO GEORGES DE
分类号	B61L3/04	主分类号	B61L3/04
代理机构		代理人
主权项
地址

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