Device for measuring the speed of vehicles,申请号US19280319114-传众专利搜索

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发明名称	Device for measuring the speed of vehicles
摘要
申请公布号	US1803224(A)	申请公布日期	1931.04.28
申请号	US19280319114	申请日期	1928.11.13
申请人	MARTINUS WALTMAN JOHANNES;FREDERIK SIRKS JAN	发明人	WALTMAN JOHANNES MARTINUS;SIRKS JAN FREDERIK
分类号	G01P3/36	主分类号	G01P3/36
代理机构		代理人
主权项
地址

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