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Application filedfiledCritical
Priority to JP9438671UpriorityCriticalpatent/JPS502104Y2/ja
Priority to CA149,150,Aprioritypatent/CA951235A/en
Priority to DE19722239317prioritypatent/DE2239317C3/de
Priority to FR7228983Aprioritypatent/FR2150059A5/fr
Priority to GB3741972Aprioritypatent/GB1379799A/en
Publication of JPS4852128UpublicationCriticalpatent/JPS4852128U/ja
Application grantedgrantedCritical
Publication of JPS502104Y2publicationCriticalpatent/JPS502104Y2/ja