Home / Standards / GB/T 16848-2025 GB/T 16848-2025 Active Accuracy of hourglass worms and worm gears 环面蜗杆、蜗轮精度 Standard Type GBT ICS 21.200 CCS J17 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A