State system for ensuring the uniformity of measurements. Net oil as a part of oil-gas-water mixture quantity and quality parameters metering stations and metering units. Metrological and technical requirements
Occupational safety standards system. Personal protective equipment against falls from a height. Rope access systems. Rope adjustment devices. General technical requirements. Test methods
Reciprocating internal combustion engines. Safety requirements for engines, intended for use in potentially explosive atmospheres. Part 1. Group II engines for use in flammable gas and vapour atmospheres
