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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 19598-2025
2-2025_Chinese: Information technology - Abstract Syntax Notation One (ASN
English versions: GB/T 45290-2025
English versions: GB/T 45171-2024
GB/T 45578-2025 Chinese PDF (GB /T45578-2025) GB/T 45460-2025 GB/T 45650-2025_Chinese: Air source heatGB T 45578 2025_Chinese: Non destructive testing Acoustic emission testing Verification of the receiving sensitivity spectra of piezoelectric acoustic emission sensors (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45578 2025
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