US PATENT SUBCLASS 331 / 93
.~ With distributed parameter resonator

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331 /   HD   OSCILLATORS

92  DF  RETARDING FIELD TUBE-TYPE OSCILLATORS (E.G., BARKHAUSEN KURZ) {1}
93.~ With distributed parameter resonator

DEFINITION

Classification: 331/93

(under subclass 92) Subject matter wherein a distributed

parameter frequency determining network is associated with the electron tube.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96+, for oscillators in general wherein the frequency determining network is of the distributed parameter type.