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Scroll compressor
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Patent number 6,358,028
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Issue date Mar 19, 2002
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Hitachi, Ltd.
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Nobuo Abe
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Scroll compressor
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Patent number 6,261,072
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Issue date Jul 17, 2001
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Hitachi, Ltd.
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Nobuo Abe
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Scroll compressor
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Patent number 6,106,252
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Issue date Aug 22, 2000
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Hitachi, Ltd.
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Toshio Yamanaka
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Hermetic motor-compressor
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Patent number 4,238,172
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Issue date Dec 9, 1980
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Hitachi, Ltd.
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Nobuo Abe
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Hermetic motor-compressor
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Patent number 4,236,879
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Issue date Dec 2, 1980
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Hitachi, Ltd.
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Nobuo Abe
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...