GB/T 3519-2023 Chinese PDF (GB/T3519-2023) GB 20071-2025

GB/T 3519-2023 Chinese PDF (GB/T3519-2023) GB 20071-2025GB T 3519 2023_Chinese: Cryptocrystalline graphite (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3519 2023

English versions: GB 15563-2024

English versions: GB/T 45022-2024

English versions: GB 36893-2024

GB/T 45076-2024_Chinese: Specification for construction of recyclable resources trading platform (Chinese: 再生资源交易平台建设规范)

GB/T 15241

6-2025_Chinese: Technical code of practice for evaluation of resistance to diseases and insect pests in wheat - Part 6: Barley yellow dwarf (Chinese: 小麦抗病虫性评价技术规程 第6部分：黄矮病)

English versions: GB/T 45374-2025

English versions: GB/T 45136-2024

setting time and soundness of the Portland cement (Chinese: 水泥标准稠度用水量、凝结时间与安定性检验方法)

English versions: GB/T 17436-2025

GB/T 29549

English versions: GB/T 45376-2025