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1763309
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Patent Grant
1763309
References
Source
Patent Number
1,763,309
Date Filed
Not available
Date Issued
Tuesday, June 10, 1930
94 years ago
CPC
H02M7/533 - using discharge tubes only
US Classifications
363 - Electric power conversion systems
313 - Electric lamp and discharge devices
315 - Electric lamp and discharge devices: systems
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