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Class Information
Number: 330/203
Name: Amplifiers > With power or bias voltage supply > For anode > And input electrode
Description: Subject matter where additional bias supply or isolating means are furnished for an input electrode of an amplifying device.

Patents under this class:

Patent Number Title Of Patent Date Issued
4719431 Audio power amplifier Jan. 12, 1988
4103231 Electrometric apparatus Jul. 25, 1978

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