YY/T 0866-2024 Chinese PDF (YY /T0866-2024) GB 17354-2024 English versions: GB 31648-2025

English versions: GB 31648-2025

English versions: GB/T 45390-2025

GB/T 45205-2024_Chinese: Specification for fair competition compliance management for undertakings (Chinese: 经营者公平竞争合规管理规范)

GB 17945-2024_Chinese: Fire emergency lighting and evacuate indicating system (Chinese: 消防应急照明和疏散指示系统)

GB/T 17350-2024_Chinese: Classification

YY/T 0866-2024 Chinese PDF (YY /T0866-2024) GB 17354-2024 English versions: GB 31648-2025YY T 0866 2024_Chinese: Total inward leakage(TIL) determination method of protective face mask for medical use (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: YY T 0866 2024