Method and apparatus for use in measuring speed,申请号US19390288816-传众专利搜索

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发明名称	Method and apparatus for use in measuring speed
摘要
申请公布号	US2275381(A)	申请公布日期	1942.03.03
申请号	US19390288816	申请日期	1939.08.07
申请人	NORTH AMERICAN RAYON CORPORATION	发明人	MAXTON ALFRED
分类号	G01P3/40	主分类号	G01P3/40
代理机构		代理人
主权项
地址

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