| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 39956.2-2021 | English | 494 | Add to Cart | Days<=4 | (Pneumatic electro-pneumatic pressure control valve - Part 2: Test method for evaluating the main characteristics that should be included in commercial documents) | GB/T 39956.2-2021 | Valid | GB/T 39956.2-2021 |