Home / Standards / GB/T 4249-2009 GB/T 4249-2009 Abolished Geometrical product specifications(GPS) - Tolerancing principle 产品几何技术规范(GPS) 公差原则 Standard Type GBT ICS 17.040.10;01.100.20 CCS J04 Status 废止 Issue Date 2009-03-16 Implementation 2009-11-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委