NF C47-733-1992 Automatic electrical controls for household and similar use Part 2 particular requirements for thermal protectors for ballasts for tubular fluorescent lamps 《家用和类似.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

NF A20-605-1984 Iron ores Determination of aluminium content Flame atomic absorption spectrometric method 《铁矿石 铝含量的测定 火焰原子吸收光谱法》.pdf

NF A21-101-1974 Chemical analysis of chromium ores Determination of silica (gravimetric method) 《铬矿石的化学分析 硅石的测定 重量测定法 》.pdf

NF A21-105-1975 Chemical analysis of chromium ores Determination of chromium oxide Titrimetric method 《铬矿石化学分析 氧化铬测定 滴定法》.pdf

NF A21-106-1979 Chemical analysis of chromium ores Determination of lead Atomic absorption spectrometric method after separation on ion-exchange resin 《铬矿石的化学分析 铅的测定 用离子交换树脂分离后的原子吸.pdf

NF A22-400-1977 Chemical analysis of manganese ores Determination of alumina lime and magnesia atomic absorption spectrometric method 《锰矿石化学分析 原子吸收光谱分析法测定氧化铝、石灰和氧化镁》.pdf

NF A22-401-1977 Chemical analysis of manganese ores Determination of copper zinc and lead Atomic absorption spectrometric method 《锰矿石化学分析 原子吸收光谱法测定铜、锌和铅》.pdf

NF A22-402-1979 Chemical analysis of manganese ores Determination of iron Atomic absorption spectrometric method 《锰矿石的化学分析 铁的测定 原子吸收光谱法》.pdf

NF A22-404-1987 Manganese ores Determination of active oxygen content expressed as manganese dioxide Titrimetric method 《锰矿石 二氧化锰表示的活性氧含量的测定 滴定法》.pdf

NF A22-405-1986 Manganese ores and concentrates Determination of total iron content Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method 《锰矿石和精矿 总铁含.pdf