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 PL13827670ApriorityCriticalpatent/PL80436B1/xx
Priority to FR7022513Aprioritypatent/FR2056276A5/fr
Priority to GB2977270Aprioritypatent/GB1317741A/en
Priority to DE19702030721prioritypatent/DE2030721A1/de
Priority to BE752445Dprioritypatent/BE752445A/xx
Priority to NL7009647Aprioritypatent/NL7009647A/xx
Publication of PL80436B1publicationCriticalpatent/PL80436B1/xx