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Priority to JP11699272ApriorityCriticalpatent/JPS5223355B2/ja
Priority to CA185,561Aprioritypatent/CA1028142A/en
Priority to GB5284573Aprioritypatent/GB1455442A/en
Publication of JPS4974683ApublicationCriticalpatent/JPS4974683A/ja
Priority to US05/613,425prioritypatent/US3981816A/en
Publication of JPS5223355B2publicationCriticalpatent/JPS5223355B2/ja