GB/T 16605-2024 Chinese PDF (GB /T16605-2024) GB 14930.2-2025 English versions: GB/T 19980-2025

English versions: GB/T 19980-2025

4-2024_Chinese: Chemical analysis methods of mixed rare earth oxide of ion-absorption rare earth ore - Part 4: Determination of iron trioxide content - Inductively coupled plasma atomic emission spectrometry (Chinese: 离子型稀土矿混合稀土氧化物化学分析方法 第4部分：三氧化二铁含量的测定 电感耦合等离子体发射光谱法)

boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers (Chinese: 车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量方法)

GB/T 17436-2025_Chinese: Selection of explosion proof electrical equipment in ship hazardous areas (Chinese: 船舶危险区域防爆电气设备的选用)

2-2025_Chinese: Uncut finished spectacle lenses - Part 2: Power-variation (Chinese: 眼镜镜片 第2部分：渐变焦)

GB/T 16605-2024 Chinese PDF (GB /T16605-2024) GB 14930.2-2025 English versions: GB/T 19980-2025GB T 16605 2024_Chinese: Regenerated cellulose filament fabrics (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 16605 2024