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 Ots Arvo, Rootamm Rein, Õispuu Leo, Nüssik JaanfiledCriticalOts Arvo
Priority to EE9700046ApriorityCriticalpatent/EE03344B1/et
Priority to EE9700271Aprioritypatent/EE03345B1/et
Publication of EE03344B1publicationCriticalpatent/EE03344B1/et
EE9700046A1997-04-141997-04-14Põlevkivikütuse tolmpõletamisel tekkivatest puistetuhkadest mitmesuguste kivimite ja materjalide saamise meetod
EE03344B1
(et)