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Priority to JP49013021ApriorityCriticalpatent/JPS6041107B2/ja
Priority to US05/543,431prioritypatent/US4137192A/en
Priority to DE19752502904prioritypatent/DE2502904A1/de
Publication of JPS50106887ApublicationCriticalpatent/JPS50106887A/ja
Publication of JPS6041107B2publicationCriticalpatent/JPS6041107B2/ja