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 JP47016916ApriorityCriticalpatent/JPS4887423A/ja
Priority to CA158,377Aprioritypatent/CA982180A/en
Priority to GB5680872Aprioritypatent/GB1398880A/en
Priority to DE19722261537prioritypatent/DE2261537A1/de
Publication of JPS4887423ApublicationCriticalpatent/JPS4887423A/ja