GB/T 33223-2024 Chinese PDF (GB /T33223-2024) GB/T 18978.20-2024 GB/T 2684-2025_Chinese: Test methods for

GB/T 2684-2025_Chinese: Test methods for foundry sands and molding mixtures (Chinese: 铸造用砂及混合料试验方法)

GB/T 30237-2025_Chinese: Deteriorations and legends of ancient wall paintings (Chinese: 古代壁画病害与图示)

GB 15605-2024_Chinese: Specifications for pressure venting of dust explosion (Chinese: 粉尘爆炸泄压规范)

7-2025_Chinese: Textiles - Quantitative chemical analysis - Part 7: Mixtures of polyamide with certain other fibers (method using formic acid) (Chinese: 纺织品 定量化学分析 第7部分：聚酰胺纤维与某些其他纤维的混合物（甲酸法）)

36-2024_Chinese: Electromagnetic compatibility - Testing and measurement techniques - Part 36: Intentional electromagnetic interference immunity test methods for equipment and systems (Chinese: 电磁兼容 试验和测量技术 第36部分：设备和系统的有意电磁干扰抗扰度试验方法)

GB/T 33223-2024 Chinese PDF (GB /T33223-2024) GB/T 18978.20-2024 GB/T 2684-2025_Chinese: Test methods forGB T 33223 2024_Chinese: Rolling equipment Vocabulary (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33223 2024