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Priority to JP1981155810UpriorityCriticalpatent/JPS5860496U/ja
Priority to DE19823235556prioritypatent/DE3235556A1/de
Priority to US06/433,996prioritypatent/US4483081A/en
Publication of JPS5860496UpublicationCriticalpatent/JPS5860496U/ja
Application grantedgrantedCritical
Publication of JPH033439Y2publicationCriticalpatent/JPH033439Y2/ja