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Piezoelectric and electromechanical filters. Methods for measuring the parameters of the frequency response of attenuation and amplitude-frequency response
Document status: Active
Rare-earth metals and their oxides. Method of determination of phosphorus
Document status: Active
Agricultural machinery. Methods of economic evaluation
Document status: Active
Technical documentation for the assessment of electrical and electronic products with respect limiting the content of hazardous substances
Document status: Active
Rye. Requirements for state purchases and deliveries
Document status: Withdrawn