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Priority to JP47130297ApriorityCriticalpatent/JPS4997841A/ja
Priority to AU56922/73Aprioritypatent/AU476336B2/en
Priority to DE2332758Aprioritypatent/DE2332758C2/de
Priority to IT68930/73Aprioritypatent/IT986922B/it
Priority to CA175,234Aprioritypatent/CA995124A/en
Priority to GB3101573Aprioritypatent/GB1435551A/en
Priority to FR7324103Aprioritypatent/FR2190895B1/fr
Publication of JPS4997841ApublicationCriticalpatent/JPS4997841A/ja