Home / Standards / GB/T 20441.1-2010 GB/T 20441.1-2010 Active Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones 电声学 测量传声器 第1部分:实验室标准传声器规范 Standard Type GBT ICS 17.140.50 CCS A59 Status 现行 Issue Date 2010-12-01 Implementation 2011-05-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A