[HYGIENIC EVALUATION OF THE USE OF A VACUUM PNEUMOTRANSPORT AND HIGH PRESSURE PNEUMOTRANSPORT].
D000383:Agriculture; D000397:Air Pollution; D009787:Occupational Medicine; D011312:Pressure; D014586:USSR; D014618:Vacuum
AGRICULTURE; AIR POLLUTION; INDUSTRIAL MEDICINE; USSR
GIGIENICHESKAIA OTSENKA PRIMENENIIA VAKUUM-PNEVMOTRANSPORTA I PNEVMOTRANSPORTA VYSOKOGO DAVLENIIA.