GB/T 5019.5-2023 Chinese PDF (GB/T5019.5-2023) GB/T 31461-2024 English versions: GB/T 35136-2024

English versions: GB/T 35136-2024

English versions: GB/T 19799

GB/T 45245-2025_Chinese: Determination method of total organic carbon in wood-based panels and finishing products (Chinese: 人造板及其制品中总有机碳的测定方法)

GB/T 45149-2025_Chinese: Technical specification at the project level for assessment of greenhouse gas emission reductions - Biomass power generation and cogeneration project (Chinese: 基于项目的温室气体减排量评估技术规范 生物质发电及热电联产项目)

GB/T 3392-2023_Chinese: Determination of hydrocarbon impurities of propylene for industrial use - Gas chromatographic method (Chinese: 工业用丙烯中烃类杂质的测定 气相色谱法)

GB/T 5019.5-2023 Chinese PDF (GB/T5019.5-2023) GB/T 31461-2024 English versions: GB/T 35136-2024GB T 5019. 5 2023_Chinese: Insulating materials based on mica Part 5: Rigid mica materials for heating equipment (Chinese: 5) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5019. 5 2023