Home / Standards / GB/T 24734.4-2009 GB/T 24734.4-2009 Active Technical product documentation - Digital product definition data practices - Part 4: Requirements for design model 技术产品文件 数字化产品定义数据通则 第4部分：设计模型要求 Standard Type GBT ICS 01.100.01 CCS J04 Status 现行 Issue Date 2009-11-30 Implementation 2010-09-01 Responsible Dept 国家标准委 Drafting Unit N/A