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Priority claimed from JP4148782Aexternal-prioritypatent/JPS58157848A/ja
Priority claimed from JP5176882Aexternal-prioritypatent/JPS58167645A/ja
Application filed by Sumitomo NaugatuckfiledCriticalSumitomo Naugatuck
Priority claimed from EP83102471Aexternal-prioritypatent/EP0089042B1/de
Application grantedgrantedCritical
Publication of ATE20079T1publicationCriticalpatent/ATE20079T1/de