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2278371
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Information
Patent Grant
2278371
References
Source
Patent Number
2,278,371
Date Filed
Not available
Date Issued
Tuesday, March 31, 1942
83 years ago
CPC
H03J5/248 - using electromechanical means
H04B1/03 - Constructional details
US Classifications
361 - Electricity: electrical systems and devices
334 - Tuners
455 - Telecommunications
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