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Application filedfiledCritical
Priority to JP1977084479UpriorityCriticalpatent/JPS6132480Y2/ja
Priority to US05/918,098prioritypatent/US4216377A/en
Priority to CA306,211Aprioritypatent/CA1101963A/en
Priority to DE2828190Aprioritypatent/DE2828190B2/de
Priority to GB7828075Aprioritypatent/GB2000282B/en
Publication of JPS5412387UpublicationCriticalpatent/JPS5412387U/ja
Application grantedgrantedCritical
Publication of JPS6132480Y2publicationCriticalpatent/JPS6132480Y2/ja