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2156679
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Information
Patent Grant
2156679
References
Source
Patent Number
2,156,679
Date Filed
Not available
Date Issued
Tuesday, May 2, 1939
85 years ago
CPC
H03J5/16 - Settings determined by a number of separate positioning means actuated by hand
US Classifications
318 - Electricity: motive power systems
074 - Machine element or mechanism
200 - Electricity: circuit makers and breakers
334 - Tuners
455 - Telecommunications
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