Control system for trolley frogs,申请号US19360097941-传众专利搜索

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发明名称	Control system for trolley frogs
摘要
申请公布号	US2157859(A)	申请公布日期	1939.05.09
申请号	US19360097941	申请日期	1936.08.26
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	MOSES GRAHAM L.
分类号	B60M1/14	主分类号	B60M1/14
代理机构		代理人
主权项
地址

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