Home / Standards / GB/T 3481.1-2025 GB/T 3481.1-2025 Active Gears—Wear and damage to gear teeth—Part 1: Nomenclature and characteristics 齿轮 轮齿的磨损和损伤 第1部分:术语和特性 Standard Type GBT ICS 21.200 CCS J17 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 国家标准委 Drafting Unit N/A