GB/T 26849-2025 Chinese PDF (GB /T26849-2025) GB/T 20725-2025 1-2025_Chinese: Plastics - Impact-resistant polystyrene(PS-I)

1-2025_Chinese: Plastics - Impact-resistant polystyrene(PS-I) moulding and extrusion materials - Part 1: Designation system and basis for specifications (Chinese: 塑料 抗冲击聚苯乙烯（PS-I）模塑和挤出材料 第1部分：命名系统和分类基础)

13-2025_Chinese: Forensic sciences - Physical and chemical examination of trace evidence - Part 13: Wavelength dispersive X-ray fluorescence spectrometry (Chinese: 法庭科学 微量物证的理化检验 第13部分：波长色散X射线荧光光谱法)

6-2025_Chinese: Lightning protection system components(LPSC) - Part 6: Requirements for lightning strike counters(LSCs) (Chinese: 雷电防护系统部件（LPSC） 第6部分：雷击计数器（LSCs）的要求)

English versions: GB 20072-2024

GB/T 21044-2024_Chinese: Chinese soft-shelled turtle (Chinese: 中华鳖)

GB/T 26849-2025 Chinese PDF (GB /T26849-2025) GB/T 20725-2025 1-2025_Chinese: Plastics - Impact-resistant polystyrene(PS-I)GB T 26849 2025_Chinese: Electronic control gear for solar photovoltaic (PV) lighting Performance specifications (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 26849 2025