SIS SS 2052-1989 Loose flanges PN 40《活动法兰 PN 40》.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 21551-1986 Mine support roof bars single props lengths《矿井支护 顶梁单体支柱 长度》.pdf

DIN 21555-1991 Mine support graphical symbols for the open loop control of powered support《矿井支承 动力支承的开环控制装置的图形符号》.pdf

DIN 21556-1987 Mine support valves for individual props identification code《矿井支撑物 单立支撑的阀门 标识代码》.pdf

DIN 21557-1987 Mine support yield valves for powered support identification code《矿井支承 动力支承的压力极限阀 标识代码》.pdf

DIN 21561-1986 Mine support head for single props connecting dimensions《矿井支护 单支柱用顶板 连接尺寸》.pdf

DIN 21577-1996 Explosibility of coal dust in underground hard coal mining - Tests and assessments of coal dust-air-mixtures and hybrid mixtures《地下煤矿煤尘易爆性 煤尘空气混合气体和混合物的试验和评定》.pdf

DIN 21603-2009 Auxiliary ventilation for mining - Sheet steel ventilation ducting with collars and loose flanges《采矿用辅助通风设备 有凸肩和松动法兰的钢板通风装置导管》.pdf

DIN 21605-2010 Auxiliary ventilation for mining - Flexible plastic ventilation ducts for exhaust and forced ventilation - Spiral ventilation ducts《采矿辅助通风设备 排气和强制通风用柔性塑料空气导管 螺旋形空气导管.pdf

DIN 21606-2010 Auxiliary ventilation for mining - Flexible plastic ventilation ducts for forced ventilation - Flat ventilation ducts《采矿辅助通风设备 强制通风用柔性塑料通风管 扁平通风管》.pdf