GOST 21570-76

Loops in signal conversion equipments of the data transmission equipment. Nomenclature of loops and procedure of their setting

Transport structures. Digital Model of the Butterfly Valve for ships and fixed offshore platforms. Technical requirements for the design and virtual testing

Unified system for design documentation. Graphic designations. Pipeline elements

Oscillator, modulator and regulation tubes with anode dissipated power above 25 W. Methods of cut-off voltage (bias), trans. Conductance and amplification factor measurements

Gas-fired central heating boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW. Safety requirements and test methods

Meat and meat products. Determination of Zn-bacitracin using high performance liquid chromatography with mass spectrometry detection