Universal time clock and hour angle indicator,申请号US19510207624-传众专利搜索

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发明名称	Universal time clock and hour angle indicator
摘要
申请公布号	US2657525(A)	申请公布日期	1953.11.03
申请号	US19510207624	申请日期	1951.01.24
申请人	ALLEN CECIL H	发明人	ALLEN CECIL H.
分类号	G04B19/22	主分类号	G04B19/22
代理机构		代理人
主权项
地址

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