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Ion-exchange membranes. Method for determination of total and equilibrium exchange capacity
Document status: Active
Solid biofuels. Fuel specifications and classes. Part 4: Wood chips for non-industrial use
Document status: Active
Wood protective substances. General specifications
Document status: Replaced by GOST 30495-2006
Drilling rigs for drilling of hydrogeological bore holes. Types. Basic parameters
Document status: Active
Brown coals, hard coals, anthracite. Product quality index system
Document status: Active
