Jisho

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Noun
1. Sonosheet; sound sheet; flexible (phonograph) record
Wikipedia definition
2. Flexi discThe flexi disc (also known as a phonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable. Flexible records were commercially introduced as the Eva-tone Soundsheet in 1962, but were previously available in the Soviet Union as "roentgenizdat", "bones" or "ribs", underground samizdat recordings on x-ray film.
Read “Flexi disc” on English Wikipedia
Read “ソノシート” on Japanese Wikipedia
Read “Flexi disc” on DBpedia

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