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 filedfiledCritical
Priority to JP624377UpriorityCriticalpatent/JPS5751326Y2/ja
Priority to US05/870,922prioritypatent/US4158359A/en
Priority to DE2802413Aprioritypatent/DE2802413B2/de
Priority to GB2788/78Aprioritypatent/GB1557535A/en
Publication of JPS53116791UpublicationCriticalpatent/JPS53116791U/ja
Application grantedgrantedCritical
Publication of JPS5751326Y2publicationCriticalpatent/JPS5751326Y2/ja