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Publication date
Application filedfiledCritical
Priority to JP14131175UpriorityCriticalpatent/JPS56453Y2/ja
Priority to US05/714,233prioritypatent/US4071859A/en
Priority to DE2637141Aprioritypatent/DE2637141C3/de
Publication of JPS5253719UpublicationCriticalpatent/JPS5253719U/ja
Application grantedgrantedCritical
Publication of JPS56453Y2publicationCriticalpatent/JPS56453Y2/ja