NEN 6227-1983 Chemical analysis of iron and steel Determination of the copper content in iron and steel by atomic absorption spectrometry《钢和铁的化学分析 原子吸收光谱法钢，铁中铜含量的测定》.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

DIN 28084-1-1996 Support rings and ring supports on apparatus - Part 1 Calculation of stability《设备支承环和环支承件 第1部分 稳定性计算》.pdf

DIN 28084-2-1996 Support rings and ring supports on apparatus - Part 2 Types dimensions calculation of thickness《设备支承环和环支承件 第2部分 类型、尺寸和厚度计算》.pdf

DIN 28084-3-1996 Support rings and ring supports on apparatus - Part 3 Dimensions maximum service weight for on non-alloy and stainless steel agitator vessels《设备支承环和环支承件 第3部分 非合金钢和.pdf

DIN 28085-1994 Lifting lugs on apparatuses for mounting dimensions and allowable loadings《安装用设备上的吊耳 尺寸和允许负载》.pdf

DIN 28086-1994 Eyelets on apparatuses for mounting dimensions and maximum loadings《安装用设备上的吊环 尺寸和最大载荷》.pdf

DIN 28087-1994 Top head type lifting lugs on apparatuses for mounting dimensions and allowable loadings《安装用仪器上的顶端提升吊耳 尺寸和最大允许载荷》.pdf

DIN 28088-2016 Connecting lugs for earthing and potential equalisation on process vessels《用于工艺容器接地和电位均衡的连接支耳》.pdf

DIN 28090-2-2014 Static gaskets for flange connections - Gaskets made from sheets - Part 2 Special test procedures for quality assurance《法兰连接件的静态密封垫 板材制密封垫 第2部分 质量保证的特殊试验程序》.pdf

DIN 28090-3-2014 Static gaskets for flange connections - Gaskets made from sheets - Part 3 Chemical resistance test procedures《法兰连接件的静态密封垫 板材制密封垫 第3部分 耐化学性的试验程序》.pdf