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Priority to JP53-89128UpriorityCriticalpatent/JPS5828493Y2/ja
Priority claimed from JP53-89128Uexternal-prioritypatent/JPS5828493Y2/ja
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Publication of JPS5828493Y1publicationCriticalpatent/JPS5828493Y1/ja
Publication of JPS5828493Y2publicationCriticalpatent/JPS5828493Y2/ja