GB 20052-2024 Chinese PDF GB/T 45471-2025 English versions: GB 30253-2024
$34.95
Description
English versions: GB 30253-2024
2-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels
English versions: GB/T 45134-2025
GB/T 45496-2025_Chinese: Motor vehicle product recall - Guidelines for information defect assessment (Chinese: 汽车产品召回 信息缺陷评估指南)
English versions: GB/T 44981-2024
GB 20052-2024 Chinese PDF GB/T 45471-2025 English versions: GB 30253-2024GB 20052 2024_Chinese: Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 20052 2024
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