GB/T 18690.4-2023 Chinese PDF (GB/T18690.4-2023) GB/T 23718.5-2024

GB/T 18690.4-2023 Chinese PDF (GB/T18690.4-2023) GB/T 23718.5-2024GB T 18690. 4 2023_Chinese: Agricultural irrigation equipment Filters for micro irrigation Part 4: Granulated media filters (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18690. 4 2023

English versions: GB/T 45582-2025

GB/T 45026-2024_Chinese: Specification for side scan sonar oceanic survey (Chinese: 侧扫声呐海洋调查规范)

GB/T 45254-2025_Chinese: Data interface of futures market account (Chinese: 期货市场客户开户数据接口)

31-2024_Chinese: Requirements of the greenhouse gas emissions accounting and reporting - Part 31: Wood industry enterprise (Chinese: 温室气体排放核算与报告要求 第31部分：木材加工企业)

English versions: GB/T 18760-2025

English versions: GB/T 45617-2025

English versions: GB/T 45442-2025

English versions: GB/T 19635-2024

English versions: GB/T 10184-2025

English versions: GB/T 22210-2024

monoculars and spotting scopes - Part 1: General purpose 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1部分：普通性能仪器)

GB/T 45011-2024_Chinese: Test method for impact failure of fiber reinforced polymer matrix composites (Chinese: 纤维增强复合材料冲击失效试验方法)