NF A04-503-1988 Semi-products made from aluminium copper nickel and their alloys Determination of grain size Aluminium and aluminium alloys 《铝、铜、镍及其合金制半成品 晶粒度的测定 铝和铝合金》.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 03-445-1983 4375 Cryolite natural and artificial - Conventional test for evaluation of free fluorides content《天然和人造冰晶石，自由氯化物含量估算的标准试验》.pdf

NBN T 03-446-1983 4375 Aluminium fluoride for industrial use - Determination of sodium content -Flame emission spectrophotometrio method《工业用氟化铝，钠含量的测定 火焰发射分光光度分析法》.pdf

NBN T 03-447-1983 4375 Cryolite natural and artificial and aluminium fluoride for industrial use -Determination of sulphate content - Barium sulphate gravimetrie method《天然和人造冰晶石及工业.pdf

NBN T 03-448-1983 1875 Cryolite natural and artificial and aluminium fluoride for industrial use -Determination of phosphorus content - Reduced molybdophosphate photometric method《.pdf

NBN T 03-449-1983 1875 Cryolite natural and artificial and aluminium fluoride for industrial use - Determination of sulphur content -X-ray fluorescence spectrometric method《天然和人造冰晶.pdf

NBN T 03-450-1983 7500 Cryolite natural and artificial and aluminium fluoride for industrial use - Determination of phosphorus content - Atomic absorption spectrometric method afte.pdf

NBN T 03-461-1983 0625 Sodium fluoride for industrial use - Determination of water-insoluble matter《工业用氟化钠，不溶于水物质的测定》.pdf

NBN T 03-462-1983 0625 Sodium fluoride for industrial use - Determination of moisture content《工业用氟化钠，水分含量的测定》.pdf

NBN T 03-463-1983 9375 Sodium fluoride for industrial use - Determination of fluorine content - Modified Willard-Winter method《工业用氟化钠，氟含量的测定 改进的威拉德 威特法》.pdf