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Publication date
Application filedfiledCritical
Priority to JP1988102909UpriorityCriticalpatent/JPH0524835Y2/ja
Priority to US07/388,440prioritypatent/US4997169A/en
Priority to DE68919306Tprioritypatent/DE68919306T2/de
Priority to EP89307936Aprioritypatent/EP0357245B1/en
Publication of JPH0224141UpublicationCriticalpatent/JPH0224141U/ja
Application grantedgrantedCritical
Publication of JPH0524835Y2publicationCriticalpatent/JPH0524835Y2/ja
