[Roentgen industry on the 40th anniversary of the October Revolution].
D000846:Anniversaries and Special Events; D006801:Humans; D011859:Radiography / Q000295:instrumentation*; D013679:Technology, Radiologic / Q000295:instrumentation*
ROENTGENOLOGY/apparatus and instruments
Rentgenovskaia promyshlennost'k sorokaletiiu velikoi Oktiabr'skoi sotsialisticheskoi revollutsii.