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Application filedfiledCritical
Priority to JP1980105599UpriorityCriticalpatent/JPS633032Y2/ja
Priority to DE8181105917Tprioritypatent/DE3174054D1/de
Priority to AT81105917Tprioritypatent/ATE18617T1/de
Priority to EP81105917Aprioritypatent/EP0045084B1/en
Priority to US06/287,800prioritypatent/US4484248A/en
Publication of JPS57138183UpublicationCriticalpatent/JPS57138183U/ja
Priority to KR2019850007414Uprioritypatent/KR850003351Y1/ko
Application grantedgrantedCritical
Publication of JPS633032Y2publicationCriticalpatent/JPS633032Y2/ja