GOST R ISO 4919-2017

Heating boilers. Part 4. Heating boilers with forced draught burners. Special requirements for boilers with forced draught oil burners with output up to 70 kW and maximum operating pressure of 0,3 MPa. Terminology, special requirements, test methods and marking

Tie zinc-coated steel wire for aerial lines. Specifications

Low-power electronic tubes. Methods of measurement of direct interelectrode capacitances

Microbiology of food and animal feeding stuffs. Horizontal method for the detection of potentially enteropathogenic Vibrio spp. Part 2. Detection of species other than Vibrio parahaemolyticus and Vibrio cholerae

Polymer composites. Method for determination of density of sandwich core materials

Reagents. Hydrazine sulfate