GB/T 18216.7-2024 Chinese PDF (GB/T18216.7-2024) GBZ37551.4-2025 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)

English versions: GB/T 45079-2024

GB/T 13818-2024_Chinese: Die casting zinc alloys (Chinese: 压铸锌合金)

YY/T 0576-2024_Chinese: Columbia blood agar medium (Chinese: 哥伦比亚血琼脂培养基)

GB/T 18851

GB/T 18216.7-2024 Chinese PDF (GB/T18216.7-2024) GBZ37551.4-2025 1-2025_Chinese: Plastics - Impact-resistant polystyrene(PS-I)GB T 18216. 7 2024_Chinese: Electrical safety in low voltage distribution systems up to 1000V a. c. and 1500V d. c. Equipment for testing, measuring or monitoring of protective measures Part 7: Phase sequence (Chinese: 1000V1500V 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18216. 7 2024