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PERMUTIT CO
US
3 patents
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US4589971A
May 20, 1986
Moisture analyzer
PERMUTIT CO
49 citations
92
US3933631A
Jan 20, 1976
Method of operating ion exchange system
PERMUTIT CO
38 citations
86
US4990245A
Feb 5, 1991
Sequence controller system for regenerating water treatment units
PERMUTIT CO
17 citations
59