US PATENT SUBCLASS 436 / 134
.~.~ Carbon monoxide only

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

127  DF  OXYGEN CONTAINING {5}
133  DF  .~ Inorganic carbon compounds {1}
134.~.~ Carbon monoxide only

DEFINITION

Classification: 436/134

Carbon monoxide only:

(under subclass 133) Subject matter in which the only chemical specie tested for is carbon monoxide.