| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| MT/T 773-1998 | English | 279 | Add to Cart | Days<=3 | Norms for classification of hydrogeological condition of coal mine | MT/T 773-1998 | Obsolete | MT/T 773-1998 |