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 JP6798976ApriorityCriticalpatent/JPS52150569A/ja
Priority to US05/802,940prioritypatent/US4160888A/en
Priority to SE7706723Aprioritypatent/SE438943B/xx
Publication of JPS52150569ApublicationCriticalpatent/JPS52150569A/ja
Publication of JPS5734616B2publicationCriticalpatent/JPS5734616B2/ja