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GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025) GB 5009.5-2025 English versions: GB/T 20405
GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025) GB 5009.5-2025 English versions: GB/T 20405
$34.95
Description
English versions: GB/T 20405
GB/T 45448-2025_Chinese: Revert materials for wrought superalloy (Chinese: 再生变形高温合金原料)
1-2024_Chinese: Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 1: Design guidelines (Chinese: 电气和电子设备机械结构 户外机壳 第1部分：设计导则)
GB/T 28185-2025_Chinese: Heat exchange unit for urban heating (Chinese: 城镇供热用换热机组)
GB/T 45305.4-2025 Chinese PDF (GB /T45305.4-2025) GB 5009.5-2025 English versions: GB/T 20405GB T 45305. 4 2025_Chinese: Acoustics Laboratory measurement of sound insulation of building elements Part 4: Measurement procedures and requirements (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45305. 4 2025
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