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Wood pulp reactor
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Patent number 5,591,308
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Issue date Jan 7, 1997
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The BOC Group, Inc.
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Mark J. Kirschner
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Refrigeration device
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Patent number 5,438,845
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Issue date Aug 8, 1995
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The BOC Group, Inc.
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Mark J. Kirschner
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Cryogen delivery apparatus
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Patent number 5,018,358
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Issue date May 28, 1991
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The BOC Group, Inc.
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Ron C. Lee
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS