ICS43.040CCST33此版仅供学习参阅QC/T268—2023代替QC/T268—1999汽车冷冲压加工零件未注公差尺寸的极限偏差Permissibleautomobilecoldstampingvariationsindimensionswithouttoleranceindication2023-04-21发布2...