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Priority to JP13946579UpriorityCriticalpatent/JPS6127017Y2/ja
Priority to GB8030757Aprioritypatent/GB2065949B/en
Priority to US06/190,743prioritypatent/US4374529A/en
Priority to DE19803037403prioritypatent/DE3037403A1/de
Publication of JPS5660155UpublicationCriticalpatent/JPS5660155U/ja
Application grantedgrantedCritical
Publication of JPS6127017Y2publicationCriticalpatent/JPS6127017Y2/ja