CSN 42 6963-1988 Steel thin - walled sections with isosceles U - profile Dimensions《薄壁部分断面为等腰U形的钢 尺寸》.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

GB 1903.2-2015 食品安全国家标准 食品营养强化剂 甘氨酸锌.pdf

GB 1903.3-2015 食品安全国家标准 食品营养强化剂 5'单磷酸腺苷.pdf

GB 1903.4-2015 食品安全国家标准 食品营养强化剂 氧化锌.pdf

GB 1903.6-2015 食品安全国家标准 食品营养强化剂 维生素E琥珀酸钙.pdf

GB 1903.7-2015 食品安全国家标准 食品营养强化剂 葡萄糖酸锰.pdf

GB 1903.8-2015 食品安全国家标准 食品营养强化剂 葡萄糖酸铜.pdf

GB 1903.9-2015 食品安全国家标准 食品营养强化剂 亚硒酸钠.pdf

GB 21549-2008 实验室玻璃仪器.玻璃烧器的安全要求.pdf

GB 21550-2008 聚氯乙烯人造革有害物质限量.pdf