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 JP824476UpriorityCriticalpatent/JPS52100139U/ja
Priority to DE2650018Aprioritypatent/DE2650018C2/de
Priority to US05/751,360prioritypatent/US4146853A/en
Priority to CA270,001Aprioritypatent/CA1073051A/en
Publication of JPS52100139UpublicationCriticalpatent/JPS52100139U/ja