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Application filedfiledCritical
Priority to JP1977175949UpriorityCriticalpatent/JPS582618Y2/ja
Priority to GB7850173Aprioritypatent/GB2011321B/en
Priority to US05/974,099prioritypatent/US4275969A/en
Priority to DE2858187Aprioritypatent/DE2858187C2/de
Priority to DE2856570Aprioritypatent/DE2856570C2/de
Publication of JPS54103911UpublicationCriticalpatent/JPS54103911U/ja
Application grantedgrantedCritical
Publication of JPS582618Y2publicationCriticalpatent/JPS582618Y2/ja