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Priority to JP1978176338UpriorityCriticalpatent/JPS576203Y2/ja
Priority to US06/082,408prioritypatent/US4304386A/en
Priority to CA337,197Aprioritypatent/CA1114930A/en
Priority to DE2940935Aprioritypatent/DE2940935C2/de
Priority to GB7934956Aprioritypatent/GB2033617B/en
Publication of JPS5590360UpublicationCriticalpatent/JPS5590360U/ja
Application grantedgrantedCritical
Publication of JPS576203Y2publicationCriticalpatent/JPS576203Y2/ja