GB/T 23540-2021涂附磨具装有卡盘或未装卡盘的砂页轮标准
英文:Coated abrasives—Flap wheels with incorporated flanges or separate flanges GB/T 23540-2021介绍: 国家标准《涂附磨具 装有卡盘或未装卡盘的砂页轮...
英文:Coated abrasives—Flap wheels with incorporated flanges or separate flanges GB/T 23540-2021介绍: 国家标准《涂附磨具 装有卡盘或未装卡盘的砂页轮...