US PATENT SUBCLASS 396 / FOR 937
.~ Having film or paper feed (354/319)

Current as of: June, 1999
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FOR 915  DF  FLUID-TREATING APPARATUS (354/297) {14}
FOR 937.~ Having film or paper feed (354/319) {1}
FOR 938  DF  .~.~> And film immersed and removed (354/320) {2}

DEFINITION

Classification: 396/FOR.937

Having film or paper feed: (354/319)

Subject matter under subclass FOR 915 including means to introduce or withdraw the material into or from a fluid-treating area.