GB/T 4706.12-2024 Chinese PDF (GB/T4706.12-2024) GB/T 19699-2023 English versions: YY 1105-2024

English versions: YY 1105-2024

4-2025_Chinese: Quality requirements for enzyme preparations - Part 4: Immobilized glucose isomerase preparations (Chinese: 酶制剂质量要求 第4部分：固定化葡萄糖异构酶制剂)

3-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 3: Cracking-resistant CRAs(corrosion-resistant alloys) and other alloys (Chinese: 石油天然气工业 油气开采中用于含硫化氢环境的材料 第3部分：抗开裂耐蚀合金和其他合金)

English versions: GB 23394-2024

English versions: GB/T 45373-2025

GB/T 4706.12-2024 Chinese PDF (GB/T4706.12-2024) GB/T 19699-2023 English versions: YY 1105-2024GB T 4706. 12 2024_Chinese: Safety of household and similar electrical appliances Part 12: Particular requirements for storage water heaters (Chinese: 12) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 12 2024