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Method of filling gas cylinders
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Patent number 5,353,848
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Issue date Oct 11, 1994
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The BOC Group, Inc.
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Robert G. Gates
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Ordered packing
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Patent number 5,326,504
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Issue date Jul 5, 1994
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The BOC Group, Inc.
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Robert G. Gates
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F28 - HEAT EXCHANGE IN GENERAL
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Gas liquefaction method and apparatus
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Patent number 4,758,257
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Issue date Jul 19, 1988
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The BOC Group plc
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Robert G. Gates
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Gas liquefaction method and apparatus
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Patent number 4,740,223
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Issue date Apr 26, 1988
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The BOC Group, Inc.
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Robert G. Gates
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...