GB 30077-2023 Chinese PDF GB/T 45253-2025 GB/T 45650-2025_Chinese: Air source heat
$39.00
Description
GB/T 45650-2025_Chinese: Air source heat pump packages with carbon dioxide as refrigerants (Chinese: 二氧化碳空气源热泵机组)
English versions: GB/T 45025-2024
English versions: GB/T 22211-2025
English versions: GB/T 44888-2024
English versions: GB/T 43707-2025
GB 30077-2023 Chinese PDF GB/T 45253-2025 GB/T 45650-2025_Chinese: Air source heatGB 30077 2023_Chinese: Requirements on emergency rescue materials equipment for hazardous chemical enterprises (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 30077 2023
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