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 JP15139676ApriorityCriticalpatent/JPS5375713A/ja
Priority to CA293,104Aprioritypatent/CA1097742A/en
Priority to US05/860,756prioritypatent/US4165486A/en
Publication of JPS5375713ApublicationCriticalpatent/JPS5375713A/ja
Publication of JPS5623341B2publicationCriticalpatent/JPS5623341B2/ja