Standard No.:	GB/T 16656.21-1997
English Name:	Industrial automation system and integration--Product data representation and exchange--Part 21: Implementation method--Clear text encoding of the exchange structure
Chinese Name:	工业自动化系统与集成 产品数据的表达与交换 第21部分:实现方法:交换文件结构的纯正文编码
Chinese Classification:	L67    Computer application
Professional Classification:	GB    National Standard
ICS Classification:	35.240.50 35.240.50    IT applications in industry 35.240.50
Issued by:	STSB
Issued on:	1997-09-02
Implemented on:	1998-4-1
Status:	superseded
Superseded by:	GB/T 16656.21-2008 Industrial automation systems and integration - Product data representation and exchange - Part 21: Implementation methods: Clear text encoding of the exchange structrue
Superseded on:	2009-3-1
Abolished on:	2009-03-01
Language:	English
File Format:	PDF
Word Count:	21000 words
Price(USD):	630.00
Delivery:	via email in 1~5 business day

本标准规定了一种把EXPRESS语言中确立的概念模型用于产品数据纯正文编码交换文件结构的格式。这一文件格式适合于在计算机系统之间进行产品数据的传输。本标准中对EXPRESS语言向交换文件结构语法的映射做了规定。任意EXPRESS模式都能映射到交换文件结构的语法。