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Priority to JP2932174ApriorityCriticalpatent/JPS5418679B2/ja
Priority to DE19742433279prioritypatent/DE2433279C2/de
Priority to GB3083374Aprioritypatent/GB1445672A/en
Publication of JPS50122493ApublicationCriticalpatent/JPS50122493A/ja
Priority to US05/680,538prioritypatent/US4061583A/en
Publication of JPS5418679B2publicationCriticalpatent/JPS5418679B2/ja