CSN 42 0646 Cast 2-1989 Chemical analysis of non-ferrous metals and alloys Molybdenum Determination of aluminum by the photometric method and atomic absorption method《钼 光度法和原子吸收法测定.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

HB 2079-1989 转接圆弧样板（R=2.5～30mm）.pdf

HB 2080-1989 转接圆弧样板（R=2.5～30mm）.pdf

HB 2081-1989 圆弧样板（R=2.5～10mm）.pdf

HB 2082-1989 圆弧样板（R=2.5～10mm）.pdf

HB 2083-1989 检验平台（L=200～800mm）.pdf

HB 2086-1989 直径对表件（D=6～30mm）.pdf

HB 2087-1989 长度对表件（L＞6～300mm）.pdf

HB 2088-1989 圆锥形检验心轴.D=3～40mm.pdf

HB 2089-1974 测量工具、测具零件技术条件.pdf