GB/T 18936-2025 Chinese PDF (GB /T18936-2025) GB/T 18281.2-2024 GB 23394-2024_Chinese: Respiratory protection -

GB 23394-2024_Chinese: Respiratory protection - Positive pressure self-contained closed-circuit compressed oxygen breathing apparatus (Chinese: 呼吸防护 正压式自给闭路压缩氧气呼吸器)

2-2025_Chinese: Uncut finished spectacle lenses - Part 2: Power-variation (Chinese: 眼镜镜片 第2部分：渐变焦)

setting time and soundness of the Portland cement (Chinese: 水泥标准稠度用水量、凝结时间与安定性检验方法)

GB 30185-2025_Chinese: Norm of energy consumption per unit production of aluminum (plastic) composite panel (Chinese: 铝（塑）复合板单位产品能源消耗限额)

4-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 4: EDD interpretation (Chinese: 企业系统中的设备和集成 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第4部分：EDD互操作)

GB/T 18936-2025 Chinese PDF (GB /T18936-2025) GB/T 18281.2-2024 GB 23394-2024_Chinese: Respiratory protection -GB T 18936 2025_Chinese: Diagnostic techniques for avian influenza (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18936 2025