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  • NF C68-152-2020 Cover plates and cover tapes for the protection and location warning of buried cables or bu...2023-11-18
  • DB12/T 497-2013 高壓地下儲氣井定期檢驗與評定 High Pressure underground Storage Well Inspection and Evaluatio...2023-09-13
  • BS EN ISO 21225-1-2018 Plastics piping systems for the trenchless replacement of underground pipeline netw...2023-08-30
  • ASTM C891-2019 Standard Practice for Installation of Underground Precast Concrete Utility Structures2023-08-25
  • CSA Z341 SERIES-2018 Storage of hydrocarbons in underground formations (Fifth Edition)2023-08-23
  • DIN EN ISO 21225-2-2019 Plastics piping systems for the trenchless replacement of underground pipeline netw...2023-08-10
  • GB/T 3836.30-2021 爆炸性環(huán)境 第30部分：地下礦井爆炸性環(huán)境用設備和元件 Explosive atmospheres—Part 30: Equ...2023-08-05
  • DIN EN ISO/IEC 80079-38/A1-2018 Explosive atmospheres - Part 38: Equipment and components in explosive atmo...2023-07-26
  • BS EN ISO 11298-3-2018 Plastics piping systems for renovation of underground water supply networks. Lining...2023-07-24
  • DIN EN ISO 11297-1-2018 Plastics piping systems for renovation of underground drainage and sewerage network...2023-07-14
  • BS EN ISO 21225-2-2018 Plastics piping systems for the trenchless replacement of underground pipeline netwo...2023-06-11
  • EN ISO 13263-2017 Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermop...2023-05-26
  • DIN EN ISO 21225-1-2019 Plastics piping systems for the trenchless replacement of underground pipeline netw...2023-05-17
  • GB 50388-2016 煤礦井下機車(chē)車(chē)輛運輸信號設計規范 Code for design of underground locomotive vehicle transport s...2023-05-09
  • EN ISO 19225-2017Underground mining machines. Mobile extracting machines at the face. Safety requirements fo...2023-04-23
  • BS EN ISO 11299-3-2018 Plastics piping systems for renovation of underground gas supply networks. Lining wit...2023-04-19
  • BS EN ISO 19225-2017+A1-2019 Underground mining machines. Mobile extracting machines at the face. Safety req...2023-04-17
  • DIN EN ISO 13260-2018Thermoplastics piping systems for non-pressure underground drainage and sewerage - Test...2023-04-17
  • GB/T 18947-2003礦用鋼絲增強液壓軟管及軟管組合件Rubber hoses and hose assemblies for underground mining--Wire...2022-06-14
  • SY/T 6535-2002高壓氣地下儲氣井The underground storage well for high-compression gas2022-06-13
  • GB/T 18477.2-2011埋地排水用硬聚氯乙烯(PVC-U)結構壁管道系統.第2部分：加筋管材Unplasticized polyvinyl chloride (...2022-06-12
  • GB/T 3836.30-2021爆炸性環(huán)境 第30部分：地下礦井爆炸性環(huán)境用設備和元件Explosive atmospheres. Part30:Equipment an...2022-03-14
  • GB/T 4652-2021地下礦用裝巖機和裝載機 試驗方法Loader for underground mining. Testing method2022-03-14
  • 地下空間通風(fēng)系統的優(yōu)化2020-09-30
  • Dynamic determination reserves of the underground gas storage2020-09-13
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