TY JOUR TI INVESTIGATION OF PROPERTIES OF RUBBER BLENDS AND VULCANIZATES FOR PROTECTIVE COATINGS OF SCREW DOWNHOLE MOTOR KW VULCANIZATE KW SCREW DOWNHOLE MOTOR KW ELASTOMERIC COATING KW SCORCH JO Herald of Technological University AU , .. AU Volfson, S.I. AU Anisimov, S.N. AU Krasil'nikov, A.V. AU Rudnickiy, I.V. AU Fayzullin, R.R. PY 2026 IS 29 PB Kazan National Research Technological University