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Priority to JP13300372UpriorityCriticalpatent/JPS5212828Y2/ja
Priority to US05/402,777prioritypatent/US3954090A/en
Priority to GB4592873Aprioritypatent/GB1426025A/en
Priority to DE19732349532prioritypatent/DE2349532A1/de
Publication of JPS4985430UpublicationCriticalpatent/JPS4985430U/ja
Application grantedgrantedCritical
Publication of JPS5212828Y2publicationCriticalpatent/JPS5212828Y2/ja