Home / Standards / GB/T 34874.6-2020 GB/T 34874.6-2020 Active Geometrical product specifications (GPS)—X-ray three dimensional size measuring machines—Part 6: Testing method of workpieces 产品几何技术规范(GPS) X射线三维尺寸测量机 第6部分:工件的检测方法 Standard Type GBT ICS 17.040.30 CCS J04 Status 现行 Issue Date 2020-04-28 Implementation 2020-08-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委