GOST 13078-81

Gas - fired central heating boilers. Specific requirements for condensing boilers with a nominal heat input not exceeding 70 kW

State system for ensuring the uniformity of measurements. Glass butyrometers. Methods and means of verification

Plastics. Determination of apparent density of moulding material that cannot be poured from a specified funnel

Marble. Method for the determination of sulphur

State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means of measuring complex permittivity and complex permeability as well as reflection factor modulus at frequencies of 0,2 - 1,0 GHz

Nickel. Methods for the determination of silicon