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经营范围
发明名称
Oscillation generator
摘要
申请公布号
US1937583(A)
申请公布日期
1933.12.05
申请号
US19320607031
申请日期
1932.04.23
申请人
RADIO CORPORATION
发明人
NORRMAN ERNST B.
分类号
H03L1/04
主分类号
H03L1/04
代理机构
代理人
主权项
地址
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