GOST 28143-89

Conveying, spraying and placing machines for concrete and mortar. Safety requirements

Enzyme preparations. Methods for the determination of proteolytic activity

Joints of tubes with tube-plates and collectors of heat exchangers. Requirements to the typical technology for making tube to tube-plate joints by means of explosion energy of explosives

Not-go plug gauges of not full form with diameter from 102 to 125 mm. Design and dimensions

Gas-fired central heating boilers. Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1000 Kw. Classification, requirements, test methods and marking

Infant milk products. Methods for determination of sucrose