Home / Standards / GB/T 4127.9-2026 GB/T 4127.9-2026 Upcoming Bonded abrasive products—Dimensions—Part 9: Grinding wheels for high-pressure grinding 固结磨具 尺寸 第9部分:重负荷磨削砂轮 Standard Type GBT ICS 25.100.70 CCS J 43 Status 即将实施 Issue Date 2026-02-27 Implementation 2026-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A