US PATENT SUBCLASS 436 / 113
.~.~ Ammonia

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

106  DF  NITROGEN CONTAINING {7}
111  DF  .~ Amine and quaternary ammonium {2}
113.~.~ Ammonia

DEFINITION

Classification: 436/113

Ammonia:

(under subclass 106) Subject matter in which the specie tested for in NH3.