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Filing date
Publication date
Application filedfiledCritical
Priority to JP1989013615UpriorityCriticalpatent/JPH0721418Y2/ja
Priority to US07/432,877prioritypatent/US4984325A/en
Priority to EP89311562Aprioritypatent/EP0369672B1/en
Priority to DE8989311562Tprioritypatent/DE68903091T2/de
Priority to KR1019890016447Aprioritypatent/KR900007666A/ko
Publication of JPH02105062UpublicationCriticalpatent/JPH02105062U/ja
Application grantedgrantedCritical
Publication of JPH0721418Y2publicationCriticalpatent/JPH0721418Y2/ja