NEN 6214-1978 Chemical analysis of iron and steel - Determination of the magnesium content in iron by atomic absorption spectrometry《钢和铁的化学分析 铁中镁含量的原子吸收光谱法测定》.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

JUS N R1 161-1988 Electronic tubes Seesuremeats of electrical characteristics for TV black and uhite cathode ray tubes《电子管 电视黑白阴极射像管电气特性的测量》.pdf

JUS N R1 162-1988 Electronic tubes Heasurements of electrical cbaracteristics for TV colour cst- hode-ray tubes《电子管 电视彩色阴极射像管电气特性的测量》.pdf

JUS N R1 171-1988 TV colaur cathode ray tubes type 30AX Mechanical characteristics《电视彩色阴极射像管，类型30M 机械特性》.pdf

JUS N R1 172-1988 TV coloar cathode ray tubes type 30SK Electrical characteristics Maxlnal va- lues《电视彩色阴极射像管，类型30M 电气特性 最大值》.pdf

JUS N R1 173-1988 TV coIout catbode ray tubes type 30AK Qnality reguirenents《电视彩色阴极射像管，类型30M 质量要求》.pdf

JUS N R1 174-1988 TV colaar cathode ray tubes typc 30AX MecbanicaJ characteristdcs of deflection tmit《电视彩色阴极射像管，类型30M 偏转单元的机械特性》.pdf

JUS N R1 175-1988 TV coloar cathode ray tnbes type 30M Electrical characteristics of deflection unit《电视彩色阴极射像管，类型30M 偏转单元的电气特性》.pdf

JUS N R1 176-1991 TV colour cathode ray tubes type 20-- NN 90 RCF - Mechanical characteristics《电视彩色阴极射线管，类别20 NN 90 RCF 机械特性》.pdf

JUS N R1 177-1991 TV colour cathode ray tubes type 20-- NN 90 RCF - Electrical characteristics-Maximal values《电视彩色阴极射线管，类别20 NN 90 RCF 电气特性 最大值》.pdf