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 filed by Mitteldeutsche BraunkohlengesefiledCriticalMitteldeutsche Braunkohlengese
Priority to PL94305909ApriorityCriticalpatent/PL177353B1/en
Publication of PL305909A1publicationCriticalpatent/PL305909A1/en
Publication of PL177353B1publicationCriticalpatent/PL177353B1/en