Improvements in or relating to synchronized clock systems and secondary clocks therefor,申请号GB19300011295-传众专利搜索

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发明名称	Improvements in or relating to synchronized clock systems and secondary clocks therefor
摘要
申请公布号	GB343379(A)	申请公布日期	1931.02.19
申请号	GB19300011295	申请日期	1930.04.09
申请人	INTERNATIONAL TIME RECORDING CO. OF NEW YORK	发明人
分类号	G04C13/03	主分类号	G04C13/03
代理机构		代理人
主权项
地址

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