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经营范围
发明名称
Improvements in or relating to clocks or like isochronous devices
摘要
申请公布号
GB484219(A)
申请公布日期
1938.05.03
申请号
GB19360030432
申请日期
1936.11.09
申请人
FERRANTI LIMITED;HENRY WILLIAM BARNES
发明人
分类号
G04C15/00
主分类号
G04C15/00
代理机构
代理人
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地址
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