GB 15740-2024 Chinese PDF GB/T 45283.3-2025 English versions: GB 4716-2024

English versions: GB 4716-2024

English versions: GB/T 26436-2025

GB/T 45020-2024_Chinese: Methods for chemical analysis of niobium hafnium alloys - Determination of trace impurity elements content - Inductively coupled plasma mass spectrometry (Chinese: 铌铪合金化学分析方法 痕量杂质元素的测定 电感耦合等离子体质谱法)

1-2024_Chinese: Environmental management - Guidelines for establishing good practices for combatting land degradation and desertification - Part 1: Good practices framework (Chinese: 环境管理 建立防治土地退化和荒漠化良好实践指南 第1部分：良好实践框架)

GB 15740-2024 Chinese PDF GB/T 45283.3-2025 English versions: GB 4716-2024GB 15740 2024_Chinese: Protective device against unauthorized use of motor vehicles (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 15740 2024