Rahvusvaheline patendiklassifikatsioon. Valdkond D, Tekstiilid; paber. Valdkond C, Keemia; metallurgia : klassid ja alaklassid
Technical data
URL: http://www.digar.ee/id/nlib-digar:120103
Downloaded 836 times
Available at the authorised workplace in the National Library of Estonia, Archival Library of the Estonian Literary Museum, Tallinn University of Technology Library, University of Tartu Library and Academic Library of Tallinn University
Available in the network of the National Library of Estonia
Available in public network
PDF
URL: http://www.digar.ee/id/nlib-digar:120103
