GOST 22455-77

Classification of standard expectant mother's figures

State system for ensuring the uniformity of measurements. Best available techniques. Metrological maintenance of automated measuring systems for control of harmful industrial emissions. Main principles

Workplace atmospheres. Diffusive samplers for the determination of gases and vapours

Nitrophoska. Specifications

Russian system of quality. Comparative testing of bed-clothes

Benzene hydrocarbons and allied products. Chromatographic method of determination of main substance and impurities content in benzene, toluene and xylene