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发明名称
Tone modifying circuit
摘要
申请公布号
US2088205(A)
申请公布日期
1937.07.27
申请号
US19330666673
申请日期
1933.04.18
申请人
MIESSNER INVENTIONS, INC.
发明人
JACOBS CHARLES T.
分类号
H03G5/06
主分类号
H03G5/06
代理机构
代理人
主权项
地址
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