GB/T 31033-2025 Chinese PDF (GB /T31033-2025) GB/T 21666-2025 English versions: GB/T 33767
$56.00
Description
English versions: GB/T 33767
GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)
GB/T 20725-2025_Chinese: Microbeam analysis - Electron probe microanalysis - Guidelines for qualitative point analysis by wavelength dispersive X-ray spectrometry (Chinese: 微束分析 电子探针显微分析 波谱法定性点分析导则)
English versions: GB/T 10841-2025
English versions: GB 31604
GB/T 31033-2025 Chinese PDF (GB /T31033-2025) GB/T 21666-2025 English versions: GB/T 33767GB T 31033 2025_Chinese: Technical requirements for well control technology of oil and gas drilling (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31033 2025
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 GB/T 21666-2025 English versions: GB/T 33767){kind=link}
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