BS ISO 10303-21-1995 工业自动化系统和集成.产品数据表述和交换.执行方法:交换结构的明码电文编码
Industrial automation systems and integration - Product data representation and exchange - Implementation methods - Clear text encoding of the exchange structure
Specifies an exchange structure format using a clear text encoding of product data for which the conceptual model is specified in the EXPRESS language. The file format is suitable for the transfer of product data among computer systems. Specifies the mapping from this language to the syntax of the exchange structure.