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Lauris Kalnins
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Bloomingdale, IL, US
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Patent Grant
Diaphragm type breather system for sealed storage structure
Patent number
4,375,784
Issue date
Mar 8, 1983
A. O. Smith Harvestore Products, Inc.
Lauris Kalnins
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING