Vtora Nat͡sionalna sreshta na nastavnit͡site ot otrasŭl mashinostroene
Subtitle: Sofii͡a, fevruari 1980 g.
By: Profsŭi͡uz na rabotnit͡site ot mashinostroeneto, T͡Sentralen komitet.
Publisher: Profsŭi͡uz na rabotnit͡site ot mashinostroeneto, T͡Sentr. kom-t
Published: 1980
Place of publication: Sofii͡a
Language: bul
Number of pages: 49