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 JP47003186Aexternal-prioritypatent/JPS4932873B2/ja
Priority claimed from JP430472Aexternal-prioritypatent/JPS506537B2/ja
Priority claimed from DK651272Aexternal-prioritypatent/DK132438C/da
Application filed by Nippon Soda CofiledCriticalNippon Soda Co
Priority to DK138975ApriorityCriticalpatent/DK138975A/da
Publication of DK138975ApublicationCriticalpatent/DK138975A/da