Home / Standards / GB/T 3769-2010 GB/T 3769-2010 Active Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams 电声学 绘制频率特性图和极坐标图的标度和尺寸 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