SIS SEN 01 26 23-1975 Symbols for electrical diagrams Electromechanical counting devices pulse meters《电气原理图符号 机电计算设备，脉冲计》.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 EN ISO 2870-2009 Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions《表面活性剂 清洁剂 酸性条件下可水解的阴离子活性物质和不.pdf

BS EN ISO 2871-1-2010 Surface active agents - Detergents - Determination of cationic-active matter content - High-molecular-mass cationic-active matter《表面活性剂 洗涤剂 阳离子活性物质含量的测定 高分子量阳.pdf

BS EN ISO 2871-2-2010 Surface active agents - Detergents - Determination of cationic-active matter content - Cationic-active matter of low molecular mass (between 200 and 500)《表面活性.pdf

BS EN ISO 2873-2003 Packaging Complete filled transport packages and unit loads Low pressure test《包装 满装运输包装件和成组装运 低压试验》.pdf

BS EN ISO 2875-2002 Packaging Complete filled transport packages and unit loads Water-spray test《包装 满装运输包装件和成组装运 水喷淋试验》.pdf

BS EN ISO 2884-2-2006 Paints and varnishes - Determination of viscosity using rotary viscometers - Disc or ball viscometer operated at a specified speed《涂料和清漆 用旋转粘度计测定粘度 以规定速率工作的盘形.pdf

BS EN ISO 2897-2-2004 Plastics - Impact-resistant polystyrene (PS-I) moulding and extrusion materials - Preparation of test specimens and determination of properties《塑料 耐冲击聚苯乙烯(PS-.pdf

BS EN ISO 2898-2-2008 Plastics - Plasticized poly(vinyl chloride) (PVC-P) moulding and nextrusion materials - Part 2 Preparation of test specimens and ndetermination of properties《.pdf

BS EN ISO 291-2008 Plastics - Standard atmospheres for conditioning and testing《塑料 调节和测试用标准气压》.pdf