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 Pietre De Polizor,RofiledCriticalIntreprinderea De Pietre De Polizor,Ro
Priority to RO83110761ApriorityCriticalpatent/RO90057A2/ro
Publication of RO90057A2publicationCriticalpatent/RO90057A2/ro