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 JP46018918ApriorityCriticalpatent/JPS5220926B1/ja
Priority to DE19722214213prioritypatent/DE2214213C2/de
Priority to GB1369872Aprioritypatent/GB1338974A/en
Priority to FR7210629Aprioritypatent/FR2131646A5/fr
Publication of JPS5220926B1publicationCriticalpatent/JPS5220926B1/ja