| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| SJ 1880-1981 | English | 179 | Add to Cart | Days<=2 | Methods of measurement for frequency drift of gas laser devices | SJ 1880-1981 | Obsolete | SJ 1880-1981 |