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Target assembly
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Patent number 10,435,783
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Issue date Oct 8, 2019
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ULVAC, Inc.
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Shinya Nakamura
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Target assembly
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Patent number 9,972,479
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Issue date May 15, 2018
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ULVAC, Inc.
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Shinya Nakamura
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Key telephone system
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Patent number 4,754,477
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Issue date Jun 28, 1988
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Tamura Electric Works, Ltd.
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Kouji Tanaka
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H04 - ELECTRIC COMMUNICATION TECHNIQUE