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Priority to JP47040767ApriorityCriticalpatent/JPS5143067B2/ja
Priority to NL7305569Aprioritypatent/NL7305569A/xx
Priority to GB1909673Aprioritypatent/GB1431697A/en
Priority to FR7314618Aprioritypatent/FR2181967B1/fr
Priority to DE19732320705prioritypatent/DE2320705C3/de
Publication of JPS493974ApublicationCriticalpatent/JPS493974A/ja
Publication of JPS5143067B2publicationCriticalpatent/JPS5143067B2/ja