NBN-EN 27963-1992 7500 Welds in steel Calibration block N 2 for ultrasonic examination of welds (ISO 7963 1985)《钢面焊接 定标块2号，用于焊接的超声波检查（ISO 7963：1985）》.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

EJ T 840-1994 《静电消除器钚238α源》.pdf

EJ T 841-1994 《放射性药品的放射化学纯度测定纸色谱法》.pdf

EJ T 842-1994 《锌同位素比值和含锌量测量双稀释质谱法》.pdf

EJ T 843-1994 《放射性核素活度测量井型电离室法》.pdf

EJ T 844-1994 《放射性核素中子源强度测量锰浴法》.pdf

EJ T 845-1994 《放射性药品溶液pH值测定方法》.pdf

EJ T 847-1994 《放射性矿产资源探矿工程综合管理数据采集格式与代码》.pdf

EJ T 848-1994 《γ定向辐射仪》.pdf

EJ T 852-1994 《压水堆核电厂贯穿安全壳的仪表管线》.pdf