NF S31-640-1997 Acoustics Measurements on silencers in situ 《声学 现场用消声器的测量》.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

ASTM D2524-2013 Standard Test Method for Breaking Tenacity of Wool Fibers Flat Bundle Method 18-in (3 2-mm) Gage Length《毛纤维抗断裂强度的标准试验方法 平列纤维束法 1 8 in(3 2 mm)标距长度》.pdf

ASTM D2525-1990(2001) Standard Practice for Sampling Wool for Moisture《测定羊毛水分的取样的标准操作规程》.pdf

ASTM D2525-1990(2008) Standard Practice for Sampling Wool for Moisture《测定羊毛水分的取样的标准实施规程》.pdf

ASTM D2525-2013 Standard Practice for Sampling Wool for Moisture《羊毛水分取样的标准操作规程》.pdf

ASTM D2527-1983(2006) Standard Specification for Rubber Seals&8212 Splice Strength《橡胶密封件的接合强度》.pdf

ASTM D2527-1983(2011) Standard Specification for Rubber SealsSplice Strength 《橡胶密封件的标准规格 接合强度》.pdf

ASTM D2527-1983(2017) Standard Specification for Rubber Seals&x2014 Splice Strength《橡胶密封接合强度的标准规格》.pdf

ASTM D2532-2003 Standard Test Method for Viscosity and Viscosity Change After Standing at Low Temperature of Aircraft Turbine Lubricants《航空汽轮机润滑剂承受低温后粘度和粘度变化的标准测试方法》.pdf

ASTM D2532-2010 Standard Test Method for Viscosity and Viscosity Change After Standing at Low Temperature of Aircraft Turbine Lubricants《航空涡轮发动机用润滑剂在低温条件下的粘度和粘度变化的标准试验方法》.pdf