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Priority to JP10031887UpriorityCriticalpatent/JPH0624997Y2/ja
Priority to DE3851478Tprioritypatent/DE3851478T2/de
Priority to EP88110233Aprioritypatent/EP0297487B1/en
Priority to US07/212,643prioritypatent/US4893105A/en
Publication of JPS646027UpublicationCriticalpatent/JPS646027U/ja
Application grantedgrantedCritical
Publication of JPH0624997Y2publicationCriticalpatent/JPH0624997Y2/ja
