Control means for railway-switch mechanism,申请号US19260137191-传众专利搜索

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发明名称	Control means for railway-switch mechanism
摘要
申请公布号	US1758018(A)	申请公布日期	1930.05.13
申请号	US19260137191	申请日期	1926.09.23
申请人	WILCOX EDGAR M	发明人	WILCOX EDGAR M.
分类号	B61L11/06	主分类号	B61L11/06
代理机构		代理人
主权项
地址

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