| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 21410-2008 | English | 879 | Add to Cart | Days<=4 | Petroleum and natural gas industries -- Downhole equipment -- Lock mandrels and landing nipples | GB/T 21410-2008 | Obsolete | GB/T 21410-2008 |