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Priority to JP50132606ApriorityCriticalpatent/JPS5255846A/ja
Priority to CA263,974Aprioritypatent/CA1063235A/en
Priority to US05/735,411prioritypatent/US4122447A/en
Priority to GB44698/76Aprioritypatent/GB1569422A/en
Publication of JPS5255846ApublicationCriticalpatent/JPS5255846A/ja
Publication of JPS5744243B2publicationCriticalpatent/JPS5744243B2/ja