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Priority to JP4128888UpriorityCriticalpatent/JPH0622090Y2/ja
Priority to DE68918317Tprioritypatent/DE68918317T2/de
Priority to EP89105449Aprioritypatent/EP0336259B1/en
Priority to US07/329,846prioritypatent/US4928650A/en
Publication of JPH01144417UpublicationCriticalpatent/JPH01144417U/ja
Application grantedgrantedCritical
Publication of JPH0622090Y2publicationCriticalpatent/JPH0622090Y2/ja