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Application filedfiledCritical
Priority to JP1988053539UpriorityCriticalpatent/JPH0747604Y2/ja
Priority to US07/341,357prioritypatent/US4958553A/en
Priority to DE19893913460prioritypatent/DE3913460C2/de
Publication of JPH01158803UpublicationCriticalpatent/JPH01158803U/ja
Application grantedgrantedCritical
Publication of JPH0747604Y2publicationCriticalpatent/JPH0747604Y2/ja
