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Publication date
Priority claimed from JP46029547Aexternal-prioritypatent/JPS5022093B1/ja
Priority claimed from JP46029545Aexternal-prioritypatent/JPS4946619B1/ja
Priority claimed from JP46029546Aexternal-prioritypatent/JPS4932852B1/ja
Priority claimed from NO1550/72Aexternal-prioritypatent/NO135029C/no
Application filed by Kureha Chemical Ind Co LtdfiledCriticalKureha Chemical Ind Co Ltd
Priority to NO457972ApriorityCriticalpatent/NO135030C/no
Publication of NO135030BpublicationCriticalpatent/NO135030B/no
Publication of NO135030CpublicationCriticalpatent/NO135030C/no