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2101832
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Patent Grant
2101832
References
Source
Patent Number
2,101,832
Date Filed
Not available
Date Issued
Tuesday, December 14, 1937
86 years ago
CPC
H03G9/06 - for gain control and tone control
US Classifications
333 - Wave transmission lines and networks
330 - Amplifiers
381 - Electrical audio signal processing systems and devices
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