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Damping devices
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Industry
CPC
H05B31/0063
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Parent Industries
H
ELECTRICITY
H05
Electric techniques
H05B
ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
H05B31/00
Electric arc lamps
Current Industry
H05B31/0063
Damping devices
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Patents Grants
last 30 patents
Information
Patent Grant
3675138
Patent number
3,675,138
Issue date
Jul 4, 1972
H03 - BASIC ELECTRONIC CIRCUITRY