499资源列表

[计量检定规程] JJG 499-2021 精密露点仪检定规程

[青海地方标准] DB63/499-2005 豌豆草原20号

[国外标准] NFPA 499-2004 Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electr

[国外标准] BS 499-2C-1999 International Relationships, ISO 2553 Not Equivalent. descriptors, Welded joints, Wel

[国外标准] BS 499-2-1980 Welding terms and symbols part2 Specification for symbols for welding

[国外标准] BS 499-1-2009 Welding terms and symbols Part 1 Glossary for welding, brazing and thermal cutting

[国外标准] BS 499-1-1991 Welding terms and symbols — Part 1 Glossary for welding, brazing and thermal cutting

[宁夏地方标准] DB64/T 499-2007 宁夏分梳山羊绒

[湖北地方标准] DB42/T 499-2008 七叶一枝花种苗生产技术规程

[计量检定规程] JJG 499-2004 精密露点仪检定规程

[浙江省地方标准] DB33/T 499-2004 海洋生物专用盐

[有色金属行业标准] YS/T 499-2015 雾化铜粉

[农业行业标准] NY/T 499-2013 旋耕机 作业质量

[有色金属行业标准] YS/T 499-2006 雾化铜粉

[交通运输行业标准] JT/T 499-2004 稀浆封层机

[农业行业标准] NY/T 499-2002 旋耕机作业质量

[煤炭行业标准] MT/T 499-1995 露天矿35kV和66kV移动变电站

[城市建设行业标准] CJ/T 499-2016 剪切式垃圾破碎机