US PATENT SUBCLASS 250 / 266
.~.~.~ With spacing or direction 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}
265  DF  .~.~ Plural detectors {1}
266.~.~.~ With spacing or direction of detectors

DEFINITION

Classification: 250/266

(under subclass 265) Subject matter which may include the means to expose the material to radiation which includes at least a radiation source and wherein there are details

concerning the location or spacing of the detectors with respect to the source or to one another or the direction the radiation is permitted to be incident upon the detectors and includes methods corresponding to the apparatus.