Home / Standards / GB/T 7313-1987 GB/T 7313-1987 Abolished Minimum performance requirements and methods of measurement for high fidelity loudspeaker systems 高保真扬声器系统最低性能要求及测量方法 Standard Type GBT ICS 33.160.50 CCS M72 Status 废止 Issue Date 1987-02-27 Implementation 1987-11-01 Responsible Dept 工业和信息化部(电子) Drafting Unit 工业和信息化部(电子)