JUS B H9 005-1990 Sampling of coal for determination of the explosibility of coal dust《煤炭采样 测定煤尘的爆炸性能》.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 7955-1983 Hardware hinges forged《五金件 锻制折页》.pdf

DIN 7956-1983 Hardware continuos hinge rolled《五金件 轧制长条铰链》.pdf

DIN 7957-1983 Hardware flap hinge rolled《五金件 轧制明板折页》.pdf

DIN 7958-1983 Hardware flap hinge forged《五金件 锻制明板折页》.pdf

DIN 7965-1965 Screwed Inserts (Screw Plugs)《螺纹旋塞(螺纹塞）》.pdf

DIN 7968-2007 Hexagon fit bolts with hexagon nut for steel structures《钢结构用带六角螺母的六角头配合螺栓》.pdf

DIN 7969-2007 Slotted countersunk head bolts with hexagon nut for steel structures《钢结构用带六角螺母的带槽沉头螺栓》.pdf

DIN 797-2009 Special foundation bolts《特殊基础螺栓》.pdf

DIN 7975-2016 Tapping screw connections - Guideline values for core hole diameters and use《自攻螺钉的连接 芯孔直径的参比值和用途》.pdf