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.)
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Publication date
Application filedfiledCritical
Priority to JP4234372UpriorityCriticalpatent/JPS5224686Y2/ja
Priority to US00291538Aprioritypatent/US3815714A/en
Priority to GB4439072Aprioritypatent/GB1397619A/en
Priority to DE19722251032prioritypatent/DE2251032C3/de
Publication of JPS491749UpublicationCriticalpatent/JPS491749U/ja
Application grantedgrantedCritical
Publication of JPS5224686Y2publicationCriticalpatent/JPS5224686Y2/ja
