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公开(公告)号：US3729961A
公开(公告)日：1973-05-01
申请号：US3729961D
申请日：1971-03-17
Applicant: SUNDS AB
Inventor： LEFFLER N
CPC classification number: D21C9/02
Abstract: Apparatus for washing a suspension of a fibrous material as it passes through a container in which a washing liquid is passed from a supply chamber having a perforate wall into and through the suspension and then into a collecting chamber. Means are provided for interrupting the influx of washing liquid into the collecting chamber at suitable intervals by pressure variations in the liquid.
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