Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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 NO4578/72ApriorityCriticalpatent/NO134279C/no
Publication of NO134279BpublicationCriticalpatent/NO134279B/no
Publication of NO134279CpublicationCriticalpatent/NO134279C/no