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Continuous vacuum processing apparatus
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Patent number 5,102,279
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Issue date Apr 7, 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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Continuous vacuum processing apparatus
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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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Continuous vacuum processing apparatus
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Patent number 5,016,561
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Issue date May 21, 1991
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Hitachi, Ltd.
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Masaie Tokai
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL