Acoustics. Noise emitted by machinery and equipment. Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
Fixed capacitors for use in electronic equipment. Part 14. Sectional specification. Fixed capacitors for electromagnetic interference suppression and connection to the supply mains
Lanthanum, cerium, ytterbium, lutecium, yttrium and their oxides. Chemical-spectral method of determination of impurities in oxides of rare earth elements
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