Home / Standards / GB/T 17851-2010 GB/T 17851-2010 Abolished Geometrical Product Specifications (GPS) - Geometrical tolerancing - Datums and datum system 产品几何技术规范（GPS） 几何公差 基准和基准体系 Standard Type GBT ICS 01.100.20 CCS J04 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委