GB/T 31392-2022 Chinese PDF (GB/T31392-2022) GB/T 45131-2025 GB/T 45345-2025_Chinese: Metallic and other

GB/T 45345-2025_Chinese: Metallic and other inorganic coatings - DC magnetron sputtered silver coatings for engineering purposes - Measurement of coating adhesion (Chinese: 金属及其他无机覆盖层 工程用直流磁控溅射银镀层 镀层附着力的测量)

7-2025_Chinese: Information technology - IT Enabled Services-Business Process Outsourcing (ITES-BPO) lifecycle processes - Part 7: Exemplar for maturity assessment (Chinese: 信息技术 IT赋能服务业务过程外包（ITES-BPO）生存周期过程 第7部分：成熟度评估范例)

GB/T 33411-2025_Chinese: Guidelines for enzyme immunoassays kit (Chinese: 酶联免疫分析试剂盒通则)

GB/T 22919

GB/T 45434

GB/T 31392-2022 Chinese PDF (GB/T31392-2022) GB/T 45131-2025 GB/T 45345-2025_Chinese: Metallic and otherGB T 31392 2022_Chinese: Technical guidance for the utilization of coal mine water (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31392 2022