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 JP1976034801UpriorityCriticalpatent/JPS613119Y2/ja
Priority to AU22771/77Aprioritypatent/AU500545B2/en
Priority to US05/773,118prioritypatent/US4131778A/en
Priority to GB9044/77Aprioritypatent/GB1540527A/en
Priority to DE19772709206prioritypatent/DE2709206A1/de
Priority to CA273,221Aprioritypatent/CA1089024A/en
Publication of JPS52135543UpublicationCriticalpatent/JPS52135543U/ja
Application grantedgrantedCritical
Publication of JPS613119Y2publicationCriticalpatent/JPS613119Y2/ja