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Class Information
Number:
159/DIG.38
Name:
Concentrating evaporators
> Seed
Description:
Patents under this class:
Patent Number
Title Of Patent
Date Issued
5582691
Ocean thermal energy conversion (OTEC) system
Dec. 10, 1996
5156706
Evaporation of liquids with dispersant added
Oct. 20, 1992
4701353
Process for the preparation of granules
Oct. 20, 1987
4619843
Process for the preparation of granules
Oct. 28, 1986
4569723
Salt recovery from aluminum black dross
Feb. 11, 1986
4336030
Process for continuous crystallization
Jun. 22, 1982
3966562
Multi-stage flash distillation plant
Jun. 29, 1976
3932224
Method of preventing scale from being deposited in case of producing fresh water from sea water
Jan. 13, 1976
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