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Publication date
Application filedfiledCritical
Priority to JP1978042759UpriorityCriticalpatent/JPS571348Y2/ja
Priority to US06/021,172prioritypatent/US4257077A/en
Priority to NL7902248Aprioritypatent/NL7902248A/xx
Priority to DE19792912065prioritypatent/DE2912065A1/de
Priority to GB7910637Aprioritypatent/GB2019357B/en
Publication of JPS54146215UpublicationCriticalpatent/JPS54146215U/ja
Application grantedgrantedCritical
Publication of JPS571348Y2publicationCriticalpatent/JPS571348Y2/ja