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Priority to JP2327076ApriorityCriticalpatent/JPS52107660A/ja
Priority to DE2709343Aprioritypatent/DE2709343C2/de
Priority to GB9232/77Aprioritypatent/GB1554346A/en
Priority to US05/774,487prioritypatent/US4106307A/en
Publication of JPS52107660ApublicationCriticalpatent/JPS52107660A/ja
Publication of JPS5619552B2publicationCriticalpatent/JPS5619552B2/ja