GB/T 4706.21-2024 Chinese PDF (GB/T4706.21-2024) GB/T 22553-2023 monoculars and spotting scopes -

monoculars and spotting scopes - Part 2: High performance instruments (Chinese: 光学和光子学 双筒望远镜、单筒望远镜和观测镜规范 第2部分：高性能仪器)

English versions: GB/T 11918

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

9-2024_Chinese: Determination of certain substances in electrical and electronic products - Part 9: Hexabromocyclododecane in polymers by gas chromatography-mass spectrometry (GC-MS) (Chinese: 电子电气产品中某些物质的测定 第9部分：气相色谱-质谱法（GC-MS）测定聚合物中的六溴环十二烷)

English versions: GB/T 43275-2023

GB/T 4706.21-2024 Chinese PDF (GB/T4706.21-2024) GB/T 22553-2023 monoculars and spotting scopes -GB T 4706. 21 2024_Chinese: Safety of household and similar electrical appliances Part 21: Particular requirements for microwave ovens, including combination microwave ovens (Chinese: 21,) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 21 2024