SIS SMS 1078-1945 《软管接头，橡胶软管，（螺纹连接）额定压力：12 5》.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 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

NF A22-406-1986 Manganese ores and concentrates Determination of lead content Polarographic methods 《锰矿石和精矿 铅含量的测定 极谱法》.pdf

NF A22-407-1986 Manganese ores and concentrates Determination of arsenic content Spectrometric method 《锰矿石和精矿 砷含量的测定 光谱法》.pdf

NF A24-001-1985 Chemical analysis of zinc ores concentrates Accurate determination of zinc by complexometric titrimetry after complete precipitation of interfering elements 《锌矿石精矿的.pdf

NF A24-002-1985 Chemical analysis of zinc ores concentrates Accurate determination of zinc by complexometric titrimetry after selective extraction of zinc 《锌矿石精矿的化学分析 锌选择提取后用络合滴定法进.pdf

NF A24-003-1985 Chemical analysis of zinc ores concentrates Accurate determination of zinc samples by X-ray fluorescence spectrometry on sample solution containing an internal stan.pdf