TCVN 7538-4-2007 Soil quality Sampling Part 4 Guidance on the procedure for investigation of natural near-natural and cultivated sites《土质 取样 第4部分 自然 近自然和种植区勘探程序指南》.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 58735-2006 Production in optical engineering - Magazin-discs《光学加工 储存盘》.pdf

DIN 58736-1-1997 Production in optical engineering - Centering bells - Part 1 With fitting thread《光学加工 定心罩 第1部分 带连接螺纹》.pdf

DIN 58736-2-2001 Production in optical engineering - Centering bells - Part 2 With cylindrical fitting dimension 30 mm and 46 mm for inner connection《光学加工 定心罩 第2部分 内部连接尺寸30mm和46mm带.pdf

DIN 58736-3-2001 Production in optical engineering - Centering bells - Part 3 With cylindrical fitting dimension 12 mm and 25 mm for outer connection《光学加工 定心罩 第3部分 外连接用圆柱形接头 尺寸12mm.pdf

DIN 58737-1-1997 Production in optical engineering - Spindles - Part 1 Spindles with fitting thread inactive for new design《光学加工 定心主轴 第1部分 带连接螺纹的定心主轴 对新设计无效》.pdf

DIN 58737-2-2001 Production in optical engineering - Spindles - Part 2 Spindles with clamping cylinder《光学加工 定心主轴 第2部分 带圆柱形夹的定心主轴》.pdf

DIN 58739-1-2002 Production in optical engineering - Workpiece receptions for optics - Part 1 Vacuum chucks《光学加工 光学加工工件夹具 第1部分 真空夹头》.pdf

DIN 58739-2-2002 Production in optical engineering - Workpiece receptions for optics - Part 2 Chucks with membranes《光学加工 光学加工工件夹具 第2部分 带隔膜夹头》.pdf

DIN 58739-3-2002 Production in optical engineering - Workpiece receptions for optics - Part 3 Collets for single lenses《光学加工 光学加工工件夹具 第3部分 单镜头夹头》.pdf