GOST 22773-77

Water-tube boilers and auxiliary installations. Part 8. Requirements for firing systems for liquid and gaseous fuels for the boiler

Cocoa butter substitutes. Method for determination of cocoa butter compatibility

Metallic manganese and nitrated manganese. Methods of sampling and sample preparation for chemical and physical-chemical analyses

Printed circuit boards. Test methods

Wool. Determination of fibre diameter. Projection microscope method

Electromagnetic compatibility of technical equipment. Electrical equipment for measurement, control and laboratory use. Part 2-4. Particular requirements for insulation monitoring devices and insulation fault location equipment. Test configurations, operational conditions and performance criteria