SS 279-1984 SPECIFICATION FOR Degrees of Protection of Enclosures for Switchgear and Controlgear for Voltages Up to 1000 V a c and 1500 V d c 《1000伏以下交流电和1500伏以下直流电用开关和控制装置的外壳的保护等级.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

九年级政治全册第一单元历史启示录1历史的足迹课件教科版20190117411.pptx

九年级政治全册第一单元历史启示录2历史的昭示课件教科版20190117410.pptx

九年级政治全册第一单元历史启示录3天下兴亡匹夫有责课件教科版2019011749.pptx

九年级政治全册第一单元历史启示录单元整合课件教科版2019011748.pptx

九年级政治全册第一单元认识国情了解制度1.1初级阶段的社会主义第1课时习题课件粤教版2019011747.pptx

九年级政治全册第一单元认识国情了解制度1.1初级阶段的社会主义第2课时习题课件粤教版2019011746.pptx

九年级政治全册第一单元认识国情了解制度1.2富有活力的经济制度第1课时习题课件粤教版2019011745.pptx

九年级政治全册第一单元认识国情了解制度1.2富有活力的经济制度第2课时习题课件粤教版2019011744.pptx

九年级政治全册第一单元认识国情了解制度1.3适合国情的政治制度第1课时习题课件粤教版2019011743.pptx