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GB/T 40425
GB/T 45384-2025_Chinese: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Pneumatic gas/air ratio pressure regulator (Chinese: 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 气动式燃气与空气比例调节装置)
English versions: GB/T 23301-2024
99-2025_Chinese: Instrument transformers - Part 99: Glossary (Chinese: 互感器 第99部分：术语)
English versions: GB 15563-2024
GB/T 9981-2025 Chinese PDF (GB /T9981-2025) GBZ45378-2025 GB/T 40425GB T 9981 2025_Chinese: Hygienic specification for rural residential buildings (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 9981 2025
US$ 1974.50
US$ 3079.50
US$ 12.90
