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发明名称
Modulated oscillator
摘要
申请公布号
US1947805(A)
申请公布日期
1934.02.20
申请号
US19320614479
申请日期
1932.05.31
申请人
HEINTZ & KAUFMAN, LTD.
发明人
SCOFIELD PHILIP F.
分类号
H03C1/22
主分类号
H03C1/22
代理机构
代理人
主权项
地址
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