Home / Standards / GB/Z 18620.1-2025 GB/Z 18620.1-2025 Active Code of inspection practice—Part 1: Measurement of cylindrical gear tooth flanks 检验实施规范 第1部分:圆柱齿轮齿面的测量 Standard Type GBZ ICS 21.200 CCS J17 Status 现行 Issue Date 2025-12-03 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A