Home / Standards / GB/Z 18620.5-2025 GB/Z 18620.5-2025 Active Code of inspection practice—Part 5:Recommendations relative to evaluation of gear measuring instruments 检验实施规范 第5部分:齿轮测量仪器评价 Standard Type GBZ ICS 21.200 CCS J 17 Status 现行 Issue Date 2025-12-03 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A