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Priority to JP50052676ApriorityCriticalpatent/JPS51126995A/ja
Priority to GB1319976Aprioritypatent/GB1549055A/en
Priority to DE19762618243prioritypatent/DE2618243C3/de
Priority to FR7612266Aprioritypatent/FR2311750A1/fr
Publication of JPS51126995ApublicationCriticalpatent/JPS51126995A/ja
Publication of JPS5537483B2publicationCriticalpatent/JPS5537483B2/ja