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DIN EN 300422-1:2011-11

Отменен
Electromagnetic compatibility and Radio spectrum Matters (ERM) - Wireless microphones in the 25 MHz to 3 GHz frequency range - Part 1: Technical characteristics and methods of measurement (Endorsement of the English version EN 300422-1 V1.4.2 (2011-08) as German standard) — 2 стр.
ICS
33.160.50 Auxiliaries. Including headphones, loudspeakers, microphones, etc. / Вспомогательные устройства. Включая наушники, громкоговорители, микрофоны и т.д.