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2281564
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Information
Patent Grant
2281564
References
Source
Patent Number
2,281,564
Date Filed
Not available
Date Issued
Tuesday, May 5, 1942
82 years ago
CPC
H01H67/26 - Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement
H01H63/36 - Circuit arrangements for ensuring correct or desired operation and not adapted to a particular application of the selector switch
H01H67/06 - Rotary switches
US Classifications
379 - Telephonic communications
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