JUS H B8 634-1981 Sulphuric acid for industrial use Determination of copper content 2 2-biquinolylphotometric method《工业用硫酸和发烟硫酸 铜含量测定 2，2 -联喹啉光度法》.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

DIN EN 60068-2-20-2009 Environmental testing - Part 2-20 Tests - Test T Test methods for solderability and resistance to soldering heat of devices with leads (IEC 60068-2-20 2008) .pdf

DIN EN 60068-2-21-2007 Environmental testing - Part 2-21 Tests - Test U Robustness of terminations and integral mounting devices (IEC 60068-2-21 2006) German version EN 60068-2-21 .pdf

DIN EN 60068-2-27-2010 Environmental testing - Part 2-27 Tests - Test Ea and guidance Shock (IEC 60068-2-27 2008) German version EN 60068-2-27 2009《基本环境试验规程 第2-27部分 试验 试验Ea和导则 冲击 德.pdf

DIN EN 60068-2-30-2006 Environmental testing - Part 2-30 Tests - Test Db Damp heat cyclic (12 h + 12 h cycle) (IEC 60068-2-30 2005) German version EN 60068-2-30 2005《环境试验 第2-30部分 试.pdf

DIN EN 60068-2-31-2009 Environmental testing - Part 2-31 Tests - Test Ec Rough handling shocks primarily for equipment-type specimens (IEC 60068-2-31 2008) German version EN 60068-.pdf

DIN EN 60068-2-38-2010 Environmental testing - Part 2-38 Tests - Test Z AD Composite temperature humidity cyclic test (IEC 60068-2-38 2009) German version EN 60068-2-38 2009《环境试验 第.pdf

DIN EN 60068-2-40-2000 Environmental testing - Part 2 Tests test Z AM Combined cold low air pressure tests (IEC 60068-2-40 1976 + A1 1983) German version EN 60068-2-40 1999《环境试验 第2.pdf

DIN EN 60068-2-41-2000 Environmental testing - Part 2 Tests test Z BM Combined dry heat low air pressure tests (IEC 60068-2-41 1976 + A1 1983) German version EN 60068-2-41 1999《环境试.pdf

DIN EN 60068-2-42-2004 Environmental testing - Part 2-42 Tests - Test Kc Sulphur dioxide test for contacts and connections (IEC 60068-2-42 2003) German version EN 60068-2-42 2003《环.pdf