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Priority to JP47062153ApriorityCriticalpatent/JPS5237591B2/ja
Priority to US30291172prioritypatent/US3828199A/en
Priority to AU48437/72Aprioritypatent/AU457392B2/en
Priority to CA155,455Aprioritypatent/CA1006963A/en
Priority to GB5056072Aprioritypatent/GB1412138A/en
Publication of JPS4921961ApublicationCriticalpatent/JPS4921961A/ja
Publication of JPS5237591B2publicationCriticalpatent/JPS5237591B2/ja