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 Intreprinderea De Produse Carbonoase,RofiledCriticalIntreprinderea De Produse Carbonoase,Ro
Priority to RO80101832ApriorityCriticalpatent/RO80252A2/fr
Publication of RO80252A2publicationCriticalpatent/RO80252A2/fr