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发明名称
Tuning fork oscillator
摘要
申请公布号
US2888582(A)
申请公布日期
1959.05.26
申请号
US19560565451
申请日期
1956.02.14
申请人
BULOVA WATCH COMPANY, INC.
发明人
HETZEL MAX
分类号
G04C3/10;G10G7/02;H03H9/24
主分类号
G04C3/10
代理机构
代理人
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