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Priority to JP6605974ApriorityCriticalpatent/JPS5745258B2/ja
Priority to DE19752526194prioritypatent/DE2526194A1/de
Publication of JPS50157443ApublicationCriticalpatent/JPS50157443A/ja
Publication of JPS5745258B2publicationCriticalpatent/JPS5745258B2/ja