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Priority to JP4042274ApriorityCriticalpatent/JPS5335195B2/ja
Priority to US05/565,442prioritypatent/US3994146A/en
Priority to GB1440275Aprioritypatent/GB1478276A/en
Publication of JPS50142877ApublicationCriticalpatent/JPS50142877A/ja
Publication of JPS5335195B2publicationCriticalpatent/JPS5335195B2/ja