Speed indicator with recording devices, especially for motor cars,申请号US19300469527-传众专利搜索

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发明名称	Speed indicator with recording devices, especially for motor cars
摘要
申请公布号	US1928505(A)	申请公布日期	1933.09.26
申请号	US19300469527	申请日期	1930.07.21
申请人	ALEXANDER SCHMELCHER	发明人	SCHMELCHER ALEXANDER
分类号	G01P1/08;G01P1/12	主分类号	G01P1/08
代理机构		代理人
主权项
地址

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