| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 16656.509-2010 | English | 974 | Add to Cart | Days<=6 | Industrial automation systems and integration -- Product data representation and exchange -- Part 509: Application interpreted construct: Manifold surface | GB/T 16656.509-2010 | Valid | GB/T 16656.509-2010 |