State system for ensuring the uniformity of measurements. Standard reference data. Toluene, liquid and gaseous. Density, enthalpy, entropy, isochoric and isobaric heat capacities and speed of sound at temperatures from 180 K up to 700 K and pressures up to 100 MPa
Fertilizers. Treatment with a cation exchange resin for the determination of the chelated micro-nutrient content and of the chelated fraction of micro-nutrients
Tractors and machinery for agriculture. Auto-guidance systems for operator-controlled tractors and self-propelled agricultural machines. Safety requirements
€10
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