[Sanitary-hygienic working conditions in the production of polychlorvinylic tar and measures of improvement].
D000397:Air Pollution / Q000517:prevention & control*; D014753:Vinyl Compounds
D014753:Vinyl Compounds
AIR POLLUTION/prevention and control; VINYL COMPOUNDS
Sanitarno-gigienicheskie usloviia truda v proizvodstve poliklorvinilovoi smoly i mery ikh ozdorovleniia.