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Priority to JP7851172ApriorityCriticalpatent/JPS5315327B2/ja
Priority to CA159,824Aprioritypatent/CA1036224A/en
Priority to AU50415/72Aprioritypatent/AU456517B2/en
Publication of JPS4934702ApublicationCriticalpatent/JPS4934702A/ja
Priority to US05/597,331prioritypatent/US4013841A/en
Publication of JPS5315327B2publicationCriticalpatent/JPS5315327B2/ja