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Torque transmitting device
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Patent number 5,119,923
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Issue date Jun 9, 1992
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Aktiebolaget Control Drive i Varmland
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Arne Jonsson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flow machine
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Patent number 5,054,999
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Issue date Oct 8, 1991
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Jonsson Pumpkonsult
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Arne F. Jonsson
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Turbo machine of the rotodynamic type
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Patent number 4,555,218
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Issue date Nov 26, 1985
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Jonsson Pumpkonsult
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Arne Jonsson
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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