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Priority to JP1984164096UpriorityCriticalpatent/JPH0212346Y2/ja
Priority to US06/792,253prioritypatent/US4690111A/en
Priority to DE19853538410prioritypatent/DE3538410A1/de
Publication of JPS6179042UpublicationCriticalpatent/JPS6179042U/ja
Application grantedgrantedCritical
Publication of JPH0212346Y2publicationCriticalpatent/JPH0212346Y2/ja