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Class Information
Number: 162/235
Name: Paper making and fiber liberation > Apparatus > Digester > With mechanical defibering means > Concurrent
Description: Combinations in which the digester and defiberator operate on the material simultaneously and under the same conditions of temperature and pressure.

Sub-classes under this class:

Class Number Class Name Patents
162/236 Continuous 20

Patents under this class:

Patent Number Title Of Patent Date Issued
6447645 Feeding cellulose material to a treatment vessel Sep. 10, 2002
4612088 Reactor to perform chemical reactions with a disintegrating disc Sep. 16, 1986

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