Home / Standards / GB/T 21230-2014 GB/T 21230-2014 Active Acoustics―Determination of occupational noise exposure―Engineering method 声学 职业噪声暴露的测定 工程法 Standard Type GBT ICS 17.140 CCS A59 Status 现行 Issue Date 2014-09-03 Implementation 2015-02-01 Responsible Dept 中国科学院 Drafting Unit N/A