GB/T 43256-2023 Chinese PDF (GB/T43256-2023) GB/T 13652-2023 1-2025_Chinese: Optics and photonics -

1-2025_Chinese: Optics and photonics - Specifications for telescopic sights - Part 1: General-purpose instruments (Chinese: 光学和光子学 瞄准望远镜规范 第 1 部分：普通性能仪器)

GBZ45463-2025_Chinese: Method for porosity measurement of thermally sprayed coatings (Chinese: 热喷涂涂层孔隙率的测定)

English versions: GB/T 43282

3-2023_Chinese: Sewing machinery terminology - Part 3: Spreading and cutting machines terminology (Chinese: 缝制机械术语 第3部分: 铺布裁剪设备术语)

GB/T 43256-2023 Chinese PDF (GB/T43256-2023) GB/T 13652-2023 1-2025_Chinese: Optics and photonics -GB T 43256 2023_Chinese: Test method for parameters of distributed optical fibre strain measuring system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43256 2023