Home / Standards / GB/T 3770-1983 GB/T 3770-1983 Active Determination of sound power level for noise emitted by woodworking machinery 木工机床噪声声功率级的测定 Standard Type GBT ICS 17.140.20 CCS J65 Status 现行 Issue Date 1983-06-23 Implementation 1984-05-01 Responsible Dept 中国科学院 Drafting Unit N/A