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Priority to JP13944281UpriorityCriticalpatent/JPS5843374U/ja
Priority to US06/415,882prioritypatent/US4459925A/en
Priority to GB08225949Aprioritypatent/GB2109021B/en
Priority to DE19823233938prioritypatent/DE3233938A1/de
Publication of JPS5843374UpublicationCriticalpatent/JPS5843374U/ja
Application grantedgrantedCritical
Publication of JPS6115813Y2publicationCriticalpatent/JPS6115813Y2/ja