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Priority claimed from JP6348371Uexternal-prioritypatent/JPS518504Y2/ja
Priority claimed from JP47058352Aexternal-prioritypatent/JPS5110619B2/ja
Application filed by Kohkoku Chemical Ind CofiledCriticalKohkoku Chemical Ind Co
Publication of ATA616472ApublicationCriticalpatent/ATA616472A/de
Application grantedgrantedCritical
Publication of AT342160BpublicationCriticalpatent/AT342160B/de