GB/T 1311-2024 Chinese PDF (GB/T1311-2024) GB/T 45539-2025

GB/T 1311-2024 Chinese PDF (GB/T1311-2024) GB/T 45539-2025GB T 1311 2024_Chinese: Test methods for direct current machines (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1311 2024

GB/T 23713

straight and shouldered

English versions: GB/T 12385-2025

bisphenol F and bisphenol S in foods (Chinese: 食品安全国家标准 食品中双酚A、双酚F和双酚S的测定)

English versions: GB/T 45462-2025

English versions: GB 30253-2024

English versions: GB 37219-2023

English versions: GB 45189-2025

English versions: GB/T 45154-2024

GB 44170-2024_Chinese: Safety management requirements for flood and typhoon control in shipyard (Chinese: 船舶制造防汛防台安全管理要求)

English versions: GB/T 14600-2025

GB/T 45432-2025_Chinese: Forensic sciences - Forged video and image of a person - Source identification (Chinese: 法庭科学 伪造人像 来源检验)