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Application filedfiledCritical
Priority to JP1980006333UpriorityCriticalpatent/JPS5832004Y2/ja
Priority to US06/225,536prioritypatent/US4388942A/en
Priority to GB8101382Aprioritypatent/GB2070804B/en
Priority to DE3102222Aprioritypatent/DE3102222C2/de
Publication of JPS56108007UpublicationCriticalpatent/JPS56108007U/ja
Application grantedgrantedCritical
Publication of JPS5832004Y2publicationCriticalpatent/JPS5832004Y2/ja