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发明名称
Improvements relating to frequency standards of the tuning fork type
摘要
申请公布号
GB626965(A)
申请公布日期
1949.07.25
申请号
GB19460024664
申请日期
1946.08.19
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H03B5/30
主分类号
H03B5/30
代理机构
代理人
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地址
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