Methods of test for petroleum and its products. Bitumen and bituminous binders. Determination of efflux time of bitumen emulsions by the efflux viscometer method— 14 стр.
91.100.50 Binders. Including geomembranes, asphalts for buildings, etc. / Связующие вещества. Уплотнители. Включая геомембраны, строительный асфальт и т.д.