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Class Information
Number:
210/740
Name:
Liquid purification or separation
>
Processes
>
Including controlling process in response to a sensed condition
> Density or specific gravity sensing
Description:
Process in which the mass per unit volume (either actual or relative to that of water) is determined by the sensing means.
Patents under this class:
1
2
Patent Number
Title Of Patent
Date Issued
4045342
Method and apparatus for filtering
Aug. 30, 1977
4001115
Filtration system with storage and dilution reservoirs
Jan. 4, 1977
1
2
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