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Priority to JP11856876UpriorityCriticalpatent/JPS5336155U/ja
Priority to GB9260/77Aprioritypatent/GB1560500A/en
Priority to CA273,222Aprioritypatent/CA1081797A/en
Priority to AU22956/77Aprioritypatent/AU499827B2/en
Priority to US05/774,340prioritypatent/US4130749A/en
Priority to DE2709859Aprioritypatent/DE2709859C2/de
Publication of JPS5336155UpublicationCriticalpatent/JPS5336155U/ja