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 JP1974111317UpriorityCriticalpatent/JPS5745182Y2/ja
Priority to DE19742450029prioritypatent/DE2450029C3/de
Priority to US05/517,385prioritypatent/US3988987A/en
Publication of JPS5138916UpublicationCriticalpatent/JPS5138916U/ja
Application grantedgrantedCritical
Publication of JPS5745182Y2publicationCriticalpatent/JPS5745182Y2/ja
