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DIN EN 60318-5:2007-04

Действует
Electroacoustics - Simulators of human head and ear - Part 5: 2 cm<(hoch)3> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts (IEC 60318-5:2006); German version EN 60318-5:2006 — 16 стр.