| Environmental protection. Soil. Methods for collecting samples and preparing them for chemical, bacteriological, and helminthological analysis
Охрана природы. Почвы. Методы отбора и подготовки проб для химического, бактериологического, гельминтологического анализа. |
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OST 51.40-93Combustible natural gases supplied and … |
GOST 12.2.040-79SSBT. Occupational Safety Standards System. … |
PB 09-596-03Safety Regulations for Handling Inorganic … |