Home / Standards / GB/T 12368-2025 GB/T 12368-2025 Active Modules of bevel gears 锥齿轮模数 Standard Type GBT ICS 21.200 CCS J17 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit N/A