GB/T 24692-2023 Chinese PDF (GB/T24692-2023) GB/T 18414-2025 GB/T 27866-2023_Chinese: Specification of controlling

GB/T 27866-2023_Chinese: Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking (Chinese: 钢制管道和设备防止焊缝硫化物应力开裂的硬度控制技术规范)

English versions: GB/T 44964-2024

English versions: GB 37219-2023

English versions: GB/T 33840-2025

GB/T 24692-2023 Chinese PDF (GB/T24692-2023) GB/T 18414-2025 GB/T 27866-2023_Chinese: Specification of controllingGB T 24692 2023_Chinese: Surface active agents Detergents for domestic machine dishwashing Guide for comparative testing of performance (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24692 2023