Vehicle signal arm,申请号US19340745229-传众专利搜索

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发明名称	Vehicle signal arm
摘要
申请公布号	US2167239(A)	申请公布日期	1939.07.25
申请号	US19340745229	申请日期	1934.09.24
申请人	ELECTRIC SERVICE SUPPLIES COMPANY	发明人	GRAHAM HERBERT J.;MAGEOCH HARRY YALE
分类号	B60Q1/36	主分类号	B60Q1/36
代理机构		代理人
主权项
地址

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