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Unloading means for a gas compressor
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Patent number 4,270,885
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Issue date Jun 2, 1981
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Ingersoll-Rand Company
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Robert W. Shaffer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Gas compressor system
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Patent number 4,073,607
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Issue date Feb 14, 1978
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Ingersoll-Rand Company
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Paul D. Webb
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Gas compressor unloading means
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Patent number 4,059,368
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Issue date Nov 22, 1977
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Ingersoll-Rand Company
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Wallace A. McGahan
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Gas compressor unloading means
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Patent number 3,989,413
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Issue date Nov 2, 1976
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Ingersoll-Rand Company
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Wallace A. McGahan
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...