Home / Standards / GB/T 32789-2026 GB/T 32789-2026 Upcoming Tyre sound emission test—Methods of drum 轮胎噪声测试方法 转鼓法 Standard Type GBT ICS 83.160.10 CCS G41 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A