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Fertilizers. Determination of N-(2-nitrophenyl) phosphoric triamide (2-NPT) in urea and fertilizers containing urea using high-performance liquid chromatography
Document status: Active
Tractors and self-propelled machinery for agriculture. Operator controls. Actuating forces, displacement, location and method of operation
Document status: Active
Graphite electrodes for electric arc furnaces. Exploitation
Document status: Active
Variator with wide angle belt pulleys. General specifications
Document status: Replaced by GOST 26957-97