Means for measuring time intervals,申请号US19530339737-传众专利搜索

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发明名称	Means for measuring time intervals
摘要
申请公布号	US2740091(A)	申请公布日期	1956.03.27
申请号	US19530339737	申请日期	1953.03.02
申请人	THE NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	GOULDING FREDERICK S.
分类号	G04F10/00;G04F10/04	主分类号	G04F10/00
代理机构		代理人
主权项
地址

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