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Isobaric dilatometer
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Patent number 5,172,977
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Issue date Dec 22, 1992
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Iowa State University Research Foundation, Inc.
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Bekir V. Enustun
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G01 - MEASURING TESTING
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Ice porosimeter
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Patent number 4,453,398
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Issue date Jun 12, 1984
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Iowa State University Research Foundation, Inc.
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Turgut Demirel
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G01 - MEASURING TESTING
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Method and means for testing soils
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Patent number 4,142,403
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Issue date Mar 6, 1979
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Iowa State University Research Foundation, Inc.
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Robert A. Lohnes
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G01 - MEASURING TESTING