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Application filed by セイコーインスツルメンツ株式会社filedCriticalセイコーインスツルメンツ株式会社
Priority to JP1976172821UpriorityCriticalpatent/JPS582505Y2/ja
Publication of JPS5388550UpublicationCriticalpatent/JPS5388550U/ja
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Publication of JPS582505Y2publicationCriticalpatent/JPS582505Y2/ja