Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東陶機器株式会社filedCritical東陶機器株式会社
Priority to JP13402280UpriorityCriticalpatent/JPS5842540Y2/ja
Publication of JPS5756848UpublicationCriticalpatent/JPS5756848U/ja
Application grantedgrantedCritical
Publication of JPS5842540Y2publicationCriticalpatent/JPS5842540Y2/ja
