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Application filedfiledCritical
Priority to JP6313888UpriorityCriticalpatent/JPH0638355Y2/ja
Priority to EP89106212Aprioritypatent/EP0336445B1/en
Priority to AT89106212Tprioritypatent/ATE143526T1/de
Priority to DE68927238Tprioritypatent/DE68927238T2/de
Publication of JPH01166947UpublicationCriticalpatent/JPH01166947U/ja
Priority to US07/508,494prioritypatent/US5025238A/en
Application grantedgrantedCritical
Publication of JPH0638355Y2publicationCriticalpatent/JPH0638355Y2/ja