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发明名称
Improvements in the application of pendulums to clocks
摘要
申请公布号
GB615139(A)
申请公布日期
1949.01.03
申请号
GB19460022456
申请日期
1946.07.29
申请人
CLAUDE FRANCIS NEVILLE BOXWELL
发明人
分类号
G04B17/30
主分类号
G04B17/30
代理机构
代理人
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