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Publication date
Application filedfiledCritical
Priority to JP12542780UpriorityCriticalpatent/JPS6215909Y2/ja
Priority to EP81105917Aprioritypatent/EP0045084B1/en
Priority to DE8181105917Tprioritypatent/DE3174054D1/de
Priority to AT81105917Tprioritypatent/ATE18617T1/de
Priority to US06/287,800prioritypatent/US4484248A/en
Publication of JPS5749780UpublicationCriticalpatent/JPS5749780U/ja
Application grantedgrantedCritical
Publication of JPS6215909Y2publicationCriticalpatent/JPS6215909Y2/ja