| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 21541-2008 | English | 259 | Add to Cart | Days<=3 | Chlorinated methane for industrial use -- Determination of purity -- Gas chromatography | GB/T 21541-2008 | Valid | GB/T 21541-2008 |