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Non-linear control type magnetic bearing
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Patent number 4,623,202
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Issue date Nov 18, 1986
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Kabushiki Kaisha Toshiba
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Shitta Shingu
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Optical pickup
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Patent number 4,553,227
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Issue date Nov 12, 1985
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Tokyo Shibaura Denki Kabushiki Kaisha
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Fusayoshi Kido
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G11 - INFORMATION STORAGE
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Hydraulic apparatus
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Patent number 4,409,887
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Issue date Oct 18, 1983
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Tokyo Shibaura Denki Kabushiki Kaisha
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Shitta Shingu
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Hydraulic apparatus
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Patent number 4,318,332
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Issue date Mar 9, 1982
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Tokyo Shibaura Denki Kabushiki Kaisha
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Shitta Shingu
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL