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Video disc lubricants
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Patent number 4,342,659
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Issue date Aug 3, 1982
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RCA Corporation
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Chih C. Wang
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C07 - ORGANIC CHEMISTRY
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Video disc lubricants
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Patent number 4,275,101
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Issue date Jun 23, 1981
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RCA Corporation
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Chih C. Wang
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C07 - ORGANIC CHEMISTRY
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Video disc lubricants
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Patent number 4,216,970
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Issue date Aug 12, 1980
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RCA Corporation
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Chih C. Wang
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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