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Application filed by ダイワ精工株式会社filedCriticalダイワ精工株式会社
Priority to JP1978086164UpriorityCriticalpatent/JPS5913827Y2/ja
Publication of JPS553654UpublicationCriticalpatent/JPS553654U/ja
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Publication of JPS5913827Y2publicationCriticalpatent/JPS5913827Y2/ja