GOST R 53667-2009

Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry. Part 2. Amines and aminoisocyanates using dibutylamine and ethyl chloroformate derivatives

Antimony. Method for the determination of tellurium

Electrical installations of buildings. Part 4. Protection for safety. Measures of protection against overcurrent

Direction finders. Terms and definitions

Welded components of joints and intersections of railway tracks. Specifications

Global navigation satellite system. Maritime differential subsystems. The satellite antennas of the reference integrity monitoring station location. General requirements