Каталог стандартов

+7 (495) 223-46-76 +7 (812) 309-78-59

DIN EN ISO 389-3:1999-07

Отменен

Reference zero for the calibration of audiometric equipment - Part 3: Reference equipment threshold force levels for pure tones and bone vibrators (ISO 389-3:1994, including Technical Corrigendum 1:1995) — 16 стр.

Описание Изменения Ссылки Версии