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Priority to JP13004187UpriorityCriticalpatent/JPH062054Y2/ja
Priority to DE88307907Tprioritypatent/DE3885679T2/de
Priority to EP88307907Aprioritypatent/EP0305189B1/en
Priority to US07/237,296prioritypatent/US4950204A/en
Publication of JPS6435236UpublicationCriticalpatent/JPS6435236U/ja
Application grantedgrantedCritical
Publication of JPH062054Y2publicationCriticalpatent/JPH062054Y2/ja
