Home / Standards / GB/T 30194-2026 GB/T 30194-2026 Upcoming Test methods of measuring rolling circumference for agricultural tyres 农业轮胎滚动周长试验方法 Standard Type GBT ICS 83.160.30 CCS G41 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A