[Üheankru umformer : nimivõimsus 1000 kw., pinge 400-500 v., tühijooksust kuni 3/2 koormani, n=1000, sagedus 50 P/sek.]
Technical data
URL: http://www.digar.ee/id/nlib-digar:946252
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
Access restricted in public network
URL: http://www.digar.ee/id/nlib-digar:946252