US PATENT SUBCLASS 378 / 135
.~.~ With movable electrode

Current as of: June, 1999
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378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

119  DF  SOURCE {3}
121  DF  .~ Electron tube {12}
135.~.~ With movable electrode

DEFINITION

Classification: 378/135

With movable electrode:

(under subclass 121) Subject matter wherein an electrode within the tube other than the target is movable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125+, for tubes with movable targets.