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Priority claimed from JP59043209Aexternal-prioritypatent/JPS60186581A/ja
Priority claimed from JP59195287Aexternal-prioritypatent/JPS6172627A/ja
Application filed by Ibe Co LtdfiledCriticalIbe Co Ltd
Priority claimed from EP84402008Aexternal-prioritypatent/EP0160152B1/de
Application grantedgrantedCritical
Publication of ATE78799T1publicationCriticalpatent/ATE78799T1/de