Путевой тормоз для сортировочных горок,申请号SU19390001854-传众专利搜索

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发明名称	Путевой тормоз для сортировочных горок
摘要
申请公布号	SU59969(A1)	申请公布日期	1940.11.30
申请号	SU19390001854	申请日期	1939.02.19
申请人	KOLYCHEV L.P.	发明人	KOLYCHEV L.P.
分类号	B61K7/04	主分类号	B61K7/04
代理机构		代理人
主权项
地址

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