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Priority to JP270884UpriorityCriticalpatent/JPS60114014U/ja
Priority to US06/688,369prioritypatent/US4608779A/en
Priority to DE19853500791prioritypatent/DE3500791A1/de
Publication of JPS60114014UpublicationCriticalpatent/JPS60114014U/ja
Application grantedgrantedCritical
Publication of JPH0224326Y2publicationCriticalpatent/JPH0224326Y2/ja