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发明名称
Piezoelectric oscillator
摘要
申请公布号
US2485045(A)
申请公布日期
1949.10.18
申请号
US19470751383
申请日期
1947.05.29
申请人
RADIO CORPORATION
发明人
GERBER PAUL D.
分类号
H03B5/34
主分类号
H03B5/34
代理机构
代理人
主权项
地址
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