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Priority to JP14797886UpriorityCriticalpatent/JPH0314011Y2/ja
Priority to DE8787308518Tprioritypatent/DE3779715T2/de
Priority to EP87308518Aprioritypatent/EP0262880B1/en
Priority to US07/101,365prioritypatent/US4777464A/en
Publication of JPS6355405UpublicationCriticalpatent/JPS6355405U/ja
Application grantedgrantedCritical
Publication of JPH0314011Y2publicationCriticalpatent/JPH0314011Y2/ja