Home / Standards / GB/T 44687-2024 GB/T 44687-2024 Active Superabrasive products—Precision grinding wheels for semiconductor wafers 超硬磨料制品 半导体晶圆精密磨削用砂轮 Standard Type GBT ICS 25.100.70 CCS J 43 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A