GB/T 25308-2022 Chinese PDF (GB/T25308-2022) GB/T 31960.12-2024 12-2024_Chinese: Ferrotitanium - Determination of

12-2024_Chinese: Ferrotitanium - Determination of titanium content - Diantipyrylmethane spectrophotometric method (Chinese: 钛铁 钛含量的测定 二安替吡啉甲烷分光光度法)

English versions: GB 1002-2024

1-2025_Chinese: Lightning protection system components(LPSC) - Part 1: Requirements for connection components (Chinese: 雷电防护系统部件（LPSC） 第1部分：连接件的要求)

GB 12710-2024_Chinese: Safety specification for the coking plant (Chinese: 焦化安全规范)

English versions: GB/T 45236-2025

GB/T 25308-2022 Chinese PDF (GB/T25308-2022) GB/T 31960.12-2024 12-2024_Chinese: Ferrotitanium - Determination ofGB T 25308 2022_Chinese: DC filters for high voltage direct current (HVDC) transmission system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25308 2022