| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| TB/T 405-1975 | English | 489 | Add to Cart | Days<=3 | 7.7m tongue switch of 50 kg/m steel rail (straight tongue rail of common steel rail) | TB/T 405-1975 |  | TB/T 405-1975 |