GB/T 39141.4-2024 Chinese PDF (GB /T39141.4-2024) GB/T 42151.6-2024 English versions: GB/T 44912-2024

English versions: GB/T 44912-2024

GB/T 21551

English versions: GB/T 28634-2025

8-2025_Chinese: Standardized product ontology register and transfer by data parcels - Part 8: Web service interface for data parcels (Chinese: 利用电子表格标准化产品本体的注册和传递 第8部分：数据块的网络服务接口)

English versions: GB/T 19212

GB/T 39141.4-2024 Chinese PDF (GB /T39141.4-2024) GB/T 42151.6-2024 English versions: GB/T 44912-2024GB T 39141. 4 2024_Chinese: Mineral and sapphire watch glasses Part 4: Anti reflective treatment (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 39141. 4 2024