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经营范围
发明名称
Improvements in or relating to secondary clocks and method of actuating and regulating same
摘要
申请公布号
GB383398(A)
申请公布日期
1932.11.17
申请号
GB19310030311
申请日期
1931.11.02
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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