Home / Standards / GB/T 44469-2024 GB/T 44469-2024 Active Dental rotary instruments—Laboratory abrasive instruments 牙科旋转器械 技工室研磨器械 Standard Type GBT ICS 11.060.20 CCS C33 Status 现行 Issue Date 2024-09-29 Implementation 2025-10-01 Responsible Dept 国家药监局 Drafting Unit N/A