NF F70-021-1997 Railway fixed equipment Modulated switchgear enclosures Classification definition of test and approval procedures 《铁路固定设备 模块化开关设备壳体 试验与批准程序的分类、定义》.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

NBN T 46-007-1987 0625 Cellular polyurethane for back and seat cushions and for armrests of furniture and for mattresses - Requirements《家具靠背，座椅，扶手以及垫子用多孔聚氨基甲酸乙酯 要求》.pdf

NBN T 46-008-1981 9375 Cellular polyurethane for back and seat cushions and for arm-rests of furniture - Requirements《家具靠背，座椅，扶手以及垫子用多孔聚氨基甲酸乙酯 要求》.pdf

NBN T 52-000 9375 - Specification of pètroleum products and validity of the test results in function of the fidelity of the methods 《石油产品规范和试验结果的有效性》.pdf

NBN T 52-014-1990 4375 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Alcohols《液态矿物油烃类 气相色谱分析 酒精》.pdf

NBN T 52-017-1990 6875 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Methyl-tert-butylether《液态矿物油烃类 气相色谱分析 甲基；三元醇；丁基醚》.pdf

NBN T 52-019-1990 1250 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Acetone《液态矿物油烃类 气相色谱分析 丙酮》.pdf

NBN T 52-020-1990 4375 Analyse van vloeibare aardoliekoolwaterstoffen - Gaschromatografische analyse - Bepaling van deorganische zuurstofverbindingen en van de organisch gebonden ze d.pdf

NBN T 52-022-1978 8750 Petroleum distillates - Determination of olefinic plus aromatic hydrocarbons content《石油馏出物 芳香烃基》.pdf

NBN T 52-024-1978 1250 Petroleum distillates and commercial aliphatic olefins -Determination of bromine number - Electrometric method《石油馏出物和商用脂族烯烃 溴值的测定 电测法》.pdf