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Application filed by 東京光学機械株式会社filedCritical東京光学機械株式会社
Priority to JP15729781UpriorityCriticalpatent/JPS5861212U/ja
Publication of JPS5861212UpublicationCriticalpatent/JPS5861212U/ja
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Publication of JPS627291Y2publicationCriticalpatent/JPS627291Y2/ja