US PATENT SUBCLASS 324 / 317
.~.~ Including a test sample and control sample

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

300  DF  PARTICLE PRECESSION RESONANCE {7}
316  DF  .~ Using an electron resonance spectrometer system {1}
317.~.~ Including a test sample and control sample

DEFINITION

Classification: 324/317

Including a test sample and control sample:

(under subclass 316) Subject matter wherein the electron resonance of an unknown material is made by comparison with the resonance of known material.