STAS SR 9934-4-1998 Pyrite cinder Determination of total iron iron trioxide ferrous oxide content《硫铁矿烧渣 总铁，三氧化二铁，氧化亚铁含量的测定 》.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

JB ZQ 4464-2006 对焊钢法兰尺寸(PN25).pdf

JB ZQ 4465-2006 对焊钢法兰尺寸(PN31.5).pdf

JB ZQ 4466-2006 对焊钢法兰尺寸(PN40).pdf

JB ZQ 4467-2006 金属密封垫(PN6.3～PN40).pdf

JB ZQ 4470-2006 弧形管接头(PN1.6).pdf

JB ZQ 4471-2006 鞍形管接头(PN1.6).pdf

JB ZQ 4475-2006 焊接法兰(PN0.6).pdf

JB ZQ 4476-2006 焊接法兰(PN1).pdf

JB ZQ 4477-2006 焊接法兰(PN1.6).pdf