US PATENT SUBCLASS 378 / 48
.~.~.~ With standardization

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

1  DF  SPECIFIC APPLICATION {14}
44  DF  .~ Fluorescence {2}
45  DF  .~.~ Composition analysis {4}
48.~.~.~ With standardization

DEFINITION

Classification: 378/48

With standardization:

(under subclass 45) Subject matter including comparison of the fluorescent spectra emitted by the analyte with reference spectra emitted by substances of known composition.