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2043800
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Patent Grant
2043800
References
Source
Patent Number
2,043,800
Date Filed
Not available
Date Issued
Tuesday, June 9, 1936
88 years ago
CPC
H03K4/88 - using as active elements electrochemical cells or galvano-magnetic or photo-electric elements
US Classifications
250 - Radiant energy
084 - Music
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