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Circumferential ring seal assembly
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Patent number 4,384,727
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Issue date May 24, 1983
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Avco Corporation
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Arnold Junker
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Emergency oil/mist system
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Patent number 4,284,174
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Issue date Aug 18, 1981
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Avco Corporation
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Frank Salvana
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Controlled aperture seal with drag pad
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Patent number 4,088,329
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Issue date May 9, 1978
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Avco Corporation
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Arnold E. Junker
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Controlled aperture seal
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Patent number 3,964,753
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Issue date Jun 22, 1976
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Avco Corporation
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Arnold E. Junker
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...