GOST R 50181-92

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Explosive atmospheres. Part 10-1. Classification of areas. Explosive gas atmospheres

State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring radiation field parameters of antenna systems with operating dimension of apertures from 0,75 to 1,5 m at the frequency range from 2,5 to 42 GHz

Button microphones and inset receivers for commercial telephone equipment. General specifications

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Non-tin bronze. Methods for the determination of titanium