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1972351
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Patent Grant
1972351
References
Source
Patent Number
1,972,351
Date Filed
Not available
Date Issued
Tuesday, September 4, 1934
89 years ago
CPC
H01T13/56 - characterised by having component parts which are easily assembled or disassembled
US Classifications
313 - Electric lamp and discharge devices
174 - Electricity: conductors and insulators
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