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Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus?keyword=Recording medium having text information recorded in a plurality of subcode channels and reproducing apparatus 专利,更快更准确