US PATENT SUBCLASS 250 / 269.2
.~.~.~ With plural types of detectors

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

253  DF  GEOLOGICAL TESTING OR IRRADIATION {3}
256  DF  .~ Well testing apparatus and methods {9}
269.1  DF  .~.~ With source and detector {4}
269.2.~.~.~ With plural types of detectors

DEFINITION

Classification: 250/269.2

With plural types of detectors:

(under subclass 269.1) Subject matter wherein the means to detect radiation includes more than one different type of detector (e.g., a gamma detector and a neutron detector).