Home / Standards / GB/T 23540-2021 GB/T 23540-2021 Active Coated abrasives—Flap wheels with incorporated flanges or separate flanges 涂附磨具 装有卡盘或未装卡盘的砂页轮 Standard Type GBT ICS 25.100.70 CCS J43 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A