CSN 44 1668-1989 Zinc concentrates Determination of magnesium and calcium oxide content《锌精矿 测定氧化钙和氧化镁含量 螯合法和原子吸收法》.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

BS 7666-5-2006 Spatial datasets for geographical referencing - Specification for a delivery point gazetteer《地理参考用空间数据集 交货点名录用规范》.pdf

BS 7668-2016 Weldable structural steels Hot finished structural hollow sections in weather resistant steels Specification《可焊结构钢 抗风化钢制热加工结构钢空心型材 规范》.pdf

BS 7669-3-1994 Vehicle restraint systems Guide to the installation inspection and repair of safety fences《车辆阻尼系统 安全护栏的安装、检验和维修指南》.pdf

BS 7670-1-1993 Steel nuts and bolts for resistance projection welding - Specification for dimensions and properties《电阻凸焊用钢螺母和螺栓 第1部分 尺寸和性能规范》.pdf

BS 7670-2-1997 Steel nuts and bolts for resistance projection welding - Specification for welding of weld nuts and weld bolts《电阻凸焊的钢螺母和螺栓 焊接螺母和螺栓的焊接规范》.pdf

BS 7672-1993 Specification for compression stiffness and labelling of anti-embolism hosiery《抗栓塞袜类的压缩、硬挺度和标记规范》.pdf

BS 7675-1993 Plain bearings - Thin-walled half bearings - Checking of peripheral length《滑动轴承 薄壁半轴承 周长检验》.pdf

BS 7676-2-1993 Acceptance code for gears - Determination of mechanical vibrations of gear units during acceptance testing《齿轮验收法规 验收试验期间齿轮机构机械振动的测定》.pdf

BS 7677-1993 Recommendations for classification of imperfections in pipe joint rings《管道接头用密封圈缺陷分类推荐标准》.pdf