Legal status (The legal status 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 status listed.)
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
Application filedfiledCritical
Priority to JP3138368ApriorityCriticalpatent/JPS4844342B1/ja
Priority to GB1366069Aprioritypatent/GB1262121A/en
Priority to DE19691913381prioritypatent/DE1913381C/de
Publication of JPS4844342B1publicationCriticalpatent/JPS4844342B1/ja