Устройство для сигнализирования об открытии враждебных путевых сигналов,申请号SU19290056011-传众专利搜索

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发明名称	Устройство для сигнализирования об открытии враждебных путевых сигналов
摘要
申请公布号	SU17357(A1)	申请公布日期	1930.09.30
申请号	SU19290056011	申请日期	1929.10.09
申请人	VASKA B.P.;UDAL A.YA.	发明人	VASKA B.P.;UDAL A.YA.
分类号	B61L19/14	主分类号	B61L19/14
代理机构		代理人
主权项
地址

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