Petroleum bitumens. Method for determination of diluent quantity vaporized from liquid bitumens
Document status: Active
Methods for the petrographic analysis of coals. Part 5. Method of determining microscopically the reflectance of vitrinite
Document status: Active
Hatch covers of tank for petroleum products. Types, main parameters and dimensions
Document status: Active
Iron ores, agglomerates and pellets. Method for determination of reduction strength
Document status: Active
