NBN I-899-1968 5000 《语言符号，国家一级授权当局》.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

CSN 42 0611 Cast 2-1986 Chemical testing of non-ferrous metals and alloys Copper bearing metals Determination of copper by the electro-gravimetric method《铜轴承金属 电重量法测定铜》.pdf

CSN 42 0611 Cast 3-1986 Chemical testing of non-ferrous metals and alloys Copper bearing metals Determination of lead by the titrimetric method《铜轴承金属 滴定法测定铅》.pdf

CSN 42 0611 Cast 4-1986 Chemical testing of non-ferrous metals Copper bearing metals Determination of tin by the titrimetric method and atomic absorption method《铜轴承金属 滴定法和原子吸收法测定锡》.pdf

CSN 42 0611 Cast 5-1986 Chemical analysis of non-ferrous metals Copper-base bearing metals Determination of zinc by the atomic absorption method《铜轴承金属 原子吸收法测定锌》.pdf

CSN 42 0611 Cast 6-1986 Chemical analysis of non-ferrous metals Copper-base bearing metals Determination of bismuth by the photometric method and atomic absorption method《铜轴承金属 光度法.pdf

CSN 42 0611 Cast 7-1986 Chemical analysis of non-ferrous metals Copper-base bearing metals Determination of silver by the potentiometric method and atomic absorption method《铜轴承金属 电.pdf

CSN 42 0614-1-1994 Lead-tin base alloys Determination of tin by the titrimetric method《铅 锡基合金 滴定法测定锡》.pdf

CSN 42 0614-10-1994 Lead-tin base alloys Determination of silver by the cupelling method《铅 锡基合金 耦合法测定银》.pdf

CSN 42 0614-11-1994 Lead-tin base alloys Determination of silver by the atomic absorption method《铅 锡基合金 原子吸收法测定银》.pdf