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Priority to JP11770872ApriorityCriticalpatent/JPS5319745B2/ja
Priority to GB1598373Aprioritypatent/GB1426820A/en
Priority to DE2317120Aprioritypatent/DE2317120C3/de
Priority to US00348418Aprioritypatent/US3836756A/en
Publication of JPS4975989ApublicationCriticalpatent/JPS4975989A/ja
Publication of JPS5319745B2publicationCriticalpatent/JPS5319745B2/ja