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Priority to JP1987104513UpriorityCriticalpatent/JPH0433260Y2/ja
Priority to EP88115405Aprioritypatent/EP0359847B1/en
Priority to US07/248,281prioritypatent/US4903842A/en
Publication of JPS6411985UpublicationCriticalpatent/JPS6411985U/ja
Application grantedgrantedCritical
Publication of JPH0433260Y2publicationCriticalpatent/JPH0433260Y2/ja
