 GB/T 31901-2024 English versions: GB 44023-2024){kind=link}
Worlds of Wonder (Johanna Basford)
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GB/T 2820.7-2024 Chinese PDF (GB/T2820.7-2024) GB/T 31901-2024 English versions: GB 44023-2024
GB/T 2820.7-2024 Chinese PDF (GB/T2820.7-2024) GB/T 31901-2024 English versions: GB 44023-2024
$34.95
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English versions: GB 44023-2024
GB/T 45506-2025_Chinese: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors (Chinese: 剩余电阻比测量 谐振腔级铌超导体剩余电阻比测量)
GB/T 45108-2024_Chinese: Recycling materials for platinum group metals (Chinese: 再生铂族金属原料)
GB/T 45131-2025_Chinese: Analysis of water used in boiler and cooling system - Determination of phosphate
English versions: GB/T 45604-2025
GB/T 2820.7-2024 Chinese PDF (GB/T2820.7-2024) GB/T 31901-2024 English versions: GB 44023-2024GB T 2820. 7 2024_Chinese: Reciprocating internal combustion engine driven alternating current generating sets Part 7: Technical declarations for specification and design (Chinese: 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2820. 7 2024
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