Speed warning system,申请号US19390252452-传众专利搜索

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法人/股东/高管

发明名称	Speed warning system
摘要
申请公布号	US2250514(A)	申请公布日期	1941.07.29
申请号	US19390252452	申请日期	1939.01.23
申请人	SAMUEL SNYDER	发明人	WEAVER JAMES C.
分类号	G01P1/10;H01H35/10	主分类号	G01P1/10
代理机构		代理人
主权项
地址

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