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Priority claimed from JP3309080Uexternal-prioritypatent/JPS5753170Y2/ja
Priority claimed from JP3209380Aexternal-prioritypatent/JPS56127045A/ja
Application filed by Totai Company LimitedfiledCriticalTotai Company Limited
Priority claimed from EP80104208Aexternal-prioritypatent/EP0036903B1/de
Application grantedgrantedCritical
Publication of ATE9945T1publicationCriticalpatent/ATE9945T1/de