| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 21431-2015 | English | RFQ | ASK | Days<=10 | [Including Modification 2018XG1] Technical code for inspection of lightning protection system in building | GB/T 21431-2015 | Obsolete | GB/T 21431-2015 |