[ON PRINCIPLES AND METHODS OF RATING INDUSTRIAL DUSTS].
D004391:Dust; D004782:Environmental Health; D006801:Humans; D007221:Industry; D014586:USSR
D004391:Dust
DUST; ENVIRONMENTAL HEALTH; USSR
K VOPROSU O PRINTSIPAKH I METODAKH NORMIROVANIIA PROIZVODSTVENNO I PYLI.