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Priority to JP11530872UpriorityCriticalpatent/JPS5119232Y2/ja
Priority to DE19732349532prioritypatent/DE2349532A1/de
Priority to US05/402,777prioritypatent/US3954090A/en
Priority to GB4592873Aprioritypatent/GB1426025A/en
Publication of JPS4970526UpublicationCriticalpatent/JPS4970526U/ja
Application grantedgrantedCritical
Publication of JPS5119232Y2publicationCriticalpatent/JPS5119232Y2/ja