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
Priority claimed from PCT/GB1980/000023external-prioritypatent/WO1980001595A1/en
Application filedfiledCritical
Publication of JPS56500840ApublicationCriticalpatent/JPS56500840A/ja
Publication of JPH0248329B2publicationCriticalpatent/JPH0248329B2/ja