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Year of Publication 18.09.1990
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Year of Publication 05.09.1990
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OPTICAL TAPE MEDIUM
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Year of Publication 30.08.1990
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Year of Publication 30.08.1990
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OPTICAL RECORDING MEDIUM
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Year of Publication 28.08.1990
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Year of Publication 28.08.1990
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OPTICAL RECORDING MEDIUM
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Year of Publication 27.08.1990
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Year of Publication 27.08.1990
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MANUFACTURE OF OPTICAL RECORDING MEDIUM
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Year of Publication 29.05.1990
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Year of Publication 29.05.1990
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OPTICAL RECORDING MEDIUM
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 29.05.1990
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Year of Publication 29.05.1990
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OPTICAL RECORDING MEDIUM
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 29.05.1990
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Year of Publication 29.05.1990
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OPTICAL RECORDING MEDIUM
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 29.05.1990
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Year of Publication 29.05.1990
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REPRODUCING METHOD FOR OPTICAL RECORDING MEDIUM
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 29.05.1990
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Year of Publication 29.05.1990
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OPTICAL RECORDING MEDIUM
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 29.05.1990
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Year of Publication 29.05.1990
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OPTICAL RECORDING MEDIUM
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 25.05.1990
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Year of Publication 25.05.1990
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Optical head device
TSUJIOKA, TSUYOSHI, KUME, MINORU, TATEZONO, FUMIO, YAMAMOTO, SHIGEAKI, MATSUURA, KOTARO
Year of Publication 18.04.1990
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Year of Publication 18.04.1990
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OPTICAL HEAD DEVICE
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 16.04.1990
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Year of Publication 16.04.1990
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OPTICAL HEAD DEVICE
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 16.04.1990
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Year of Publication 16.04.1990
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OPTICAL RECORDING AND REPRODUCING DEVICE
KUME MINORU, TSUJIOKA TSUYOSHI, MATSUURA KOTARO, YAMAMOTO SHIGEAKI, TATEZONO FUMIO
Year of Publication 16.04.1990
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Year of Publication 16.04.1990
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OPTICAL HEAD DEVICE
TSUJIOKA, TSUYOSHI, KUME, MINORU, TATEZONO, FUMIO, YAMAMOTO, SHIGEAKI, MATSUURA, KOTARO
Year of Publication 12.04.1990
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Year of Publication 12.04.1990
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MAGNETIC RECORDING MEDIUM
YAMANAKA MAKOTO, MATSUURA KOTARO, NAKATSUKA TAKAO, YAMAMOTO SHIGEAKI, TANUMA TOSHIO
Year of Publication 12.10.1989
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Year of Publication 12.10.1989
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