GB/T 42513.4-2023 Chinese PDF (GB/T42513.4-2023) GB/T 42151.4-2024 GB/T 2879-2024_Chinese: Hydraulic fluid power

GB/T 2879-2024_Chinese: Hydraulic fluid power - Cylinders - Dimensions and tolerances of housings for single-acting piston and rod seals in reciprocating applications (Chinese: 液压传动 液压缸 往复运动活塞和活塞杆单向密封圈沟槽的尺寸和公差)

English versions: GB/T 14264-2024

GB/T 21679-2023_Chinese: Forensic sciences - Criterion for DNA database (Chinese: 法庭科学 DNA数据库建设规范)

English versions: GB/T 45456-2025

English versions: GB 28008-2024

GB/T 42513.4-2023 Chinese PDF (GB/T42513.4-2023) GB/T 42151.4-2024 GB/T 2879-2024_Chinese: Hydraulic fluid powerGB T 42513. 4 2023_Chinese: Methods for chemical analysis of nickel alloys Part 4: Determination of silicon content Nitrous oxide flame atomic absorption spectrometry and molybdenum blue spectrophotometry (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 42513. 4 2023