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 JP11078875ApriorityCriticalpatent/JPS5234963A/ja
Priority to DE2640684Aprioritypatent/DE2640684C2/de
Priority to US05/721,545prioritypatent/US4113439A/en
Priority to GB37501/76Aprioritypatent/GB1563927A/en
Publication of JPS5234963ApublicationCriticalpatent/JPS5234963A/ja
Publication of JPS5619536B2publicationCriticalpatent/JPS5619536B2/ja
