US PATENT SUBCLASS 422 / 291
.~ Combined

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

243  DF  PHYSICAL TYPE APPARATUS {8}
291.~ Combined

DEFINITION

Classification: 422/291

Combined:

(under subclass 243) Apparatus combined with subject matter of other class(es) not specifically provided for in this class.