US PATENT SUBCLASS 33 / 317 D
.~.~.~ Differential disparity correction

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
316  DF  .~ Gyromagnetic compass {1}
317 R  DF  .~.~ Electrical telemetering {1}
317 D.~.~.~ Differential disparity correction

Unofficial Alpha Subclasses: R D

DEFINITION

Classification: 33/317

(under subclass 316) Device including an electrical telemetering circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

363, for electrical telemetering circuits there provided for.