Home / Standards / GB 12349 GB 12349 Abolished Method of measuring noise at boundary of industrial enterprises 工业企业厂界噪声测量方法 Standard Type GB ICS N/A CCS Z32 Status 废止 Issue Date 1990-05-08 Implementation 1991-01-01 Responsible Dept 生态环境部 Drafting Unit 生态环境部