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Crushed stone of solid rocks for railway ballast. Specifications
Document status: Withdrawn
Polymer composites. Differential scanning calorimetry. Determination of activation energy, pre-exponential factor and reaction order
Document status: Active
Livestock, poultry and fur farming buildings and premises
Document status: Active
Machines for cutting out, cleaning, forming of ballast and repair of rail way bed. General technical requirements
Document status: Active