US PATENT SUBCLASS 128 / 203.19
.~.~ Means for controlling gravity flow of treating agent from holder

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
203.12  DF  .~ Means for mixing treating agent with respiratory gas {16}
203.19.~.~ Means for controlling gravity flow of treating agent from holder

DEFINITION

Classification: 128/203.19

Means for controlling gravity flow of treating agent from holder:

(under subclass 203.12) Subject matter including a means for controlling gravity flow of a treating agent from a holder.