NBN EN 729-2-1994 1250 Quality requirements for welding - Fusion welding of metallic materials - Part 2 Comprehensive quality requirements《焊接技术质量要求 金属材料熔焊 第2部分：全面质量要求》.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

JB T 7746-2006 紧凑型钢制阀门.pdf

JB T 7747-1995 针形截止阀.pdf

JB T 7747-2010 针形截止阀.pdf

JB T 7748-1995 阀门清洁度和测定方法.pdf

JB T 7749-1995 低温阀门技术条件.pdf

JB T 7750-1995 滚动轴承推力调心滚子轴承 公差.pdf

JB T 7750-2007 滚动轴承 推力调心滚子轴承 技术条件.pdf

JB T 7751-1995 滚动轴承 推力圆锥滚子轴承 公差.pdf

JB T 7751-2005 滚动轴承 推力圆锥滚子轴承.pdf