NBN S 01-004-1974 3750 Acoustics Preferred frequencies for acoustical measurements《声学 声学测量的正常频率》.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 D6401-1999(2016) 9829 Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials《测定植物鞣质材料提取物中非鞣质和鞣质的标准试验方法》.pdf

ASTM D6402-1999(2004) Standard Test Method for Determing Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials《植物性单宁材料提取中测定可溶固体和非溶解物的标准试验方法》.pdf

ASTM D6402-1999(2009) 346 Standard Test Method for Determing Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials《检测植物鞣料提取物中可溶性和不可溶性固体的标准试验方法》.pdf

ASTM D6402-1999(2014) 4722 Standard Test Method for Determining Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials《测定植物单宁材料提取物中可溶性和不可溶性固体的标准试验方法》.pdf

ASTM D6403-1999(2004) Standard Test Method for Determining Moisture in Raw and Spent Materials《原材料和用过的材料中测定潮气的标准试验方法》.pdf

ASTM D6403-1999(2009) 923 Standard Test Method for Determining Moisture in Raw and Spent Materials《原材料和用过的材料中测定潮气的标准试验方法》.pdf

ASTM D6403-1999(2014) 4026 Standard Test Method for Determining Moisture in Raw and Spent Materials《测定原材料和用过的材料中水分的标准试验方法》.pdf

ASTM D6404-1999(2004) Standard Practice for Sampling Vegetable Materials Containing Tannin《含单宁的植物材料取样的标准操作规程》.pdf

ASTM D6404-1999(2009) 866 Standard Practice for Sampling Vegetable Materials Containing Tannin《含单宁的植物材料取样的标准实施规程》.pdf