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发明名称
Method of calibrating an oscillator
摘要
申请公布号
US2719232(A)
申请公布日期
1955.09.27
申请号
US19500198674
申请日期
1950.12.01
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
EHRLICH ROBERT W.
分类号
G01R23/00
主分类号
G01R23/00
代理机构
代理人
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地址
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