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Class Information
Number: 330/161
Name: Amplifiers > Interstage coupling > Coupling to plate or auxiliary grid > D.c. coupling
Description: Subject matter wherein the coupling has a D.C. conductive path for signal current from the output electrode of the preceding amplifying device to the input, electrode of the following of the two cascaded vacuum tube amplifying devices.

Patents under this class:

Patent Number Title Of Patent Date Issued

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