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Priority to JP15981287UpriorityCriticalpatent/JPH069847Y2/ja
Priority to EP88117352Aprioritypatent/EP0312997B1/en
Priority to DE88117352Tprioritypatent/DE3886340T2/de
Priority to US07/259,193prioritypatent/US4883287A/en
Publication of JPH0163506UpublicationCriticalpatent/JPH0163506U/ja
Application grantedgrantedCritical
Publication of JPH069847Y2publicationCriticalpatent/JPH069847Y2/ja