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 JP1976012348UpriorityCriticalpatent/JPS5542515Y2/ja
Priority to US05/757,671prioritypatent/US4110690A/en
Publication of JPS52104315UpublicationCriticalpatent/JPS52104315U/ja
Application grantedgrantedCritical
Publication of JPS5542515Y2publicationCriticalpatent/JPS5542515Y2/ja
