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发明名称
Temperature compensated crystal holder
摘要
申请公布号
US2274466(A)
申请公布日期
1942.02.24
申请号
US19390305912
申请日期
1939.11.24
申请人
RADIO CORPORATION
发明人
ATWOOD JOHN BOYD
分类号
H03H9/08
主分类号
H03H9/08
代理机构
代理人
主权项
地址
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