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Priority claimed from JP62277692Aexternal-prioritypatent/JP2592468B2/en
Priority claimed from JP32716387Aexternal-prioritypatent/JP2512050B2/en
Application filed by Zaidan Hojin BiseibutsufiledCriticalZaidan Hojin Biseibutsu
Priority claimed from EP88118253Aexternal-prioritypatent/EP0315147B1/en
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Publication of ATE101615T1publicationCriticalpatent/ATE101615T1/en