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Vacuum system
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Patent number 10,514,040
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Issue date Dec 24, 2019
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Edwards Limited
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James Alexander Haylock
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vehicle-air-conditioner electric compressor
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Patent number 8,408,883
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Issue date Apr 2, 2013
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Mitsubishi Heavy Industries, Ltd.
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Yuki Ichise
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2018429
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Patent number 2,018,429
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Issue date Oct 22, 1935
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...