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Publication date
Application filedfiledCritical
Priority to JP7306588UpriorityCriticalpatent/JPH052933Y2/ja
Priority to US07/343,197prioritypatent/US4928129A/en
Priority to DE8989304239Tprioritypatent/DE68901947T2/de
Priority to EP89304239Aprioritypatent/EP0340969B1/en
Publication of JPH01176862UpublicationCriticalpatent/JPH01176862U/ja
Application grantedgrantedCritical
Publication of JPH052933Y2publicationCriticalpatent/JPH052933Y2/ja
