Russia) Soveshchanie po mikrotverdosti (1st 1950 Moscow, Vsesoi︠u︡znoe nauchnoe inzhenerno-tekhnicheskoe obshchestvo priborostroenii︠a︡ (Soviet Union), Institut mashinovedenii︠a︡ (Akademii︠a︡ nauk SSSR), M. M. Khrushchov