Home / Standards / GB/Z 3481.2-2025 GB/Z 3481.2-2025 Active Gears—Wear and damage to gear teeth—Part 2: Supplementary information 齿轮 轮齿的磨损和损伤 第2部分:补充信息 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