GB/T 17818-2025 Chinese PDF (GB /T17818-2025) GB/T 20130-2025 English versions: GB/T 19980-2025

English versions: GB/T 19980-2025

GB/T 22454-2025_Chinese: Enterprise modelling and architecture - Constructs for enterprise modelling (Chinese: 企业建模与体系结构 企业建模构件)

GB/T 18462-2025_Chinese: Laser processing machines - Performance specifications for metal cutting (Chinese: 激光加工机械 金属切割的性能规范)

2-2024_Chinese: Grades of cemented carbide - Part 2: Grades of cemented carbide for rock drilling and engineering (Chinese: 硬质合金牌号 第2部分：凿岩及工程用硬质合金牌号)

Canonical Encoding Rules(CER) and Distinguished Encoding Rules(DER) (Chinese: 信息技术 ASN

GB/T 17818-2025 Chinese PDF (GB /T17818-2025) GB/T 20130-2025 English versions: GB/T 19980-2025GB T 17818 2025_Chinese: Determination of vitamin D3 in feeds High performance liquid chromatography (Chinese: D3 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17818 2025