| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| SJ 1771-1981 | English | 139 | Add to Cart | Days<=2 | Metallic bell cover for vacuum equipment--Sealing collar | SJ 1771-1981 |  | SJ 1771-1981 |