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Priority to JP14569288UpriorityCriticalpatent/JPH0543751Y2/ja
Priority to US07/431,777prioritypatent/US4982673A/en
Priority to DE68918403Tprioritypatent/DE68918403T2/de
Priority to EP89120614Aprioritypatent/EP0368248B1/en
Publication of JPH0267973UpublicationCriticalpatent/JPH0267973U/ja
Application grantedgrantedCritical
Publication of JPH0543751Y2publicationCriticalpatent/JPH0543751Y2/ja
