OASIS Product Life Cycle Support (PLCS) AP239 DEXs

The purpose of the OASIS Product Life Cycle Support (PLCS) DEXs standard is to establish structured data exchange and sharing capabilities for use by industry to support complex engineered assets throughout their total life cycle. The OASIS Product Life Cycle Support (PLCS) DEXs standard is defined by Data Exchange Specifications (DEXs) that are based upon ISO 10303 (STEP) Application Protocol 239 (Product Life Cycle Support). There is a 70% overlap between AP233 and AP239

The link address is: http://docs.oasis-open.org/plcs/dexlib/R1/dexlib/oasis_cover.htm