GB/T 39172-2020.Non-steel wire rope suspension means for lifts.1范围GB/T 39172规定了电...

国家标准2023.08.01

GB/T 25791-2020.C.I. Reactive red 194( Reactive red M-2BE).1范围GB/T 25791规定了C.L.反...

国家标准2023.08.01

GB/T 39419-2020.Grades of tsunami.1范围GB/T 39419规定了海啸强度等级和地震海啸能级的确定和划分方法。GB/T 394...

国家标准2023.08.01

GB/T 39251-2020.Additive manufacturing-Methods to characterize performance of me...

国家标准2023.08.01

GB/T 20975.33-2020.Methods for chemical analysis of aluminium and aluminium allo...

国家标准2023.08.01

GB/T 20975.20-2020.Methods for chemical analysis of aluminium and aluminium allo...

国家标准2023.08.01

GB/T 18115.2-2020.Chemical analysis methods of rare earth impurities in rare ear...

国家标准2023.08.01

GB/T 25795-2020.C.I. Reactive blue 250 (Reactive blue KN-RGB).1范围GB/T 25795规定了C....

国家标准2023.08.01

GB/T 20975.15-2020.Methods for chemical analysis of aluminium and aluminium allo...

国家标准2023.08.01

GB/T 34370.10-2020.Nondestructive testing of amusement equipments-Part 10: Magne...

国家标准2023.08.01