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Priority to JP18511681UpriorityCriticalpatent/JPS5889806U/ja
Priority to GB8211867Aprioritypatent/GB2099585B/en
Priority to DE19823216259prioritypatent/DE3216259C2/de
Publication of JPS5889806UpublicationCriticalpatent/JPS5889806U/ja
Application grantedgrantedCritical
Publication of JPH034883Y2publicationCriticalpatent/JPH034883Y2/ja