TCVN 7614-2-2007 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 2 Fittings for a maximum operating pressure of 200 mbar (20 kP.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

SY T 6417-2016 套管、油管和钻杆使用性能.pdf

SY T 6419-2009 玻璃纤维管的使用与维护.pdf

SY T 6420-2008 油田地面工程设计节能技术规范.pdf

SY T 6420-2016 油田地面工程设计节能技术规范.pdf

SY T 6422-2008 石油企业节能产品节能效果测定.pdf

SY T 6422-2016 石油企业用节能产品节能效果测定.pdf

SY T 6423.1-2013 石油天然气工业钢管无损检测方法第 1部分 焊接钢管焊缝缺欠的射线检测.pdf

SY T 6423.2-2013 石油天然气工业钢管无损检测方法第 2部分 焊接钢管焊缝纵向和 或横向缺欠的自动超声检测.pdf

SY T 6423.3-2013 石油天然气工业钢管无损检测方法第 3部分 焊接钢管用钢带 钢板分层缺欠的自动超声检测.pdf