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Continuous vacuum processing apparatus
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Patent number 5,088,908
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Issue date Feb 18, 1992
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Hitachi, Ltd.
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Shinobu Ezaki
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Mine cooling power recovery system
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Patent number 4,991,998
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Issue date Feb 12, 1991
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Hitachi, Ltd.
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Yukishige Kamino
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Metal vapor generator
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Patent number 4,787,333
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Issue date Nov 29, 1988
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Hitachi, Ltd.
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Yukishige Kamino
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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