US PATENT SUBCLASS 422 / 187
.~ Combined
Current as of:
June, 1999
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422 /
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CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING
129
DF
CHEMICAL REACTOR
{28}
187
.~ Combined
DEFINITION
Classification: 422/187
Combined:
(under subclass 129) Apparatus combined with the subject matter of other class(es) not specifically provided for in this class.