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.)
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Application filedfiledCritical
Priority to JP6236372UpriorityCriticalpatent/JPS513061Y2/ja
Publication of JPS4921612UpublicationCriticalpatent/JPS4921612U/ja
Application grantedgrantedCritical
Publication of JPS513061Y2publicationCriticalpatent/JPS513061Y2/ja
