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Helical-blade fluid machine
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Patent number 6,338,617
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Issue date Jan 15, 2002
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Kabushiki Kaisha Toshiba
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Makoto Hayano
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Helical-blade fluid machine
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Patent number 6,162,035
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Issue date Dec 19, 2000
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Kabushiki Kaisha Toshiba
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Makoto Hayano
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Fluid compressor
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Patent number 5,350,280
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Issue date Sep 27, 1994
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Kabushiki Kaisha Toshiba
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Toshiya Yajima
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Fluid compressor
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Patent number 5,026,264
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Issue date Jun 25, 1991
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Kabushiki Kaisha Toshiba
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Naoya Morozumi
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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