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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Publication date
Application filedfiledCritical
Priority to JP2009575UpriorityCriticalpatent/JPS5223960Y2/ja
Priority to US05/564,031prioritypatent/US3947646A/en
Priority to DE2515234Aprioritypatent/DE2515234C3/de
Publication of JPS51101134UpublicationCriticalpatent/JPS51101134U/ja
Application grantedgrantedCritical
Publication of JPS5223960Y2publicationCriticalpatent/JPS5223960Y2/ja
