- 您的位置:
- 中国标准在线服务网 >>
- 全部标准分类 >>
- 国外标准 >>
- ITU >>
- ITU-T N.3 Control circuits
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>

适用范围:
暂无
- 其它标准
- 上一篇: ITU-R SM.1447 Monitoring of the radio coverage of land mobile networks to verify compliance with a given licence
- 下一篇: ITU-T D.310R Determination of rentals for the lease of international programme (sound- and television-) circuits and associated control circuits for private service in relations between countries in Europe and the Mediterranean Basin
- 推荐标准
- ASTM A3-01(2019) Standard Specification for Steel Joint Bars, Low, Medium, and High Carbon (Non-Heat-Treated)
- ASTM B3-13(2018) Standard Specification for Soft or Annealed Copper Wire
- AS 1766.3.12-1992 Food microbiology Examination of specific products - Cultured dairy products
- AS 1766.3.13-1994 Food microbiology Examination of specific products - Liquid milks and creams
- AS 1766.3.15-1994 Food microbiology Examination of specific products - Cheese
- AS 1774.3-1992 Refractories and refractory materials - Physical test methods Determination of cold modulus of rupture
- AS 1799.3-1985 Small pleasure boats code Engineering
- AS 1807.3-1989 Cleanrooms, workstations and safety cabinets - Methods of test Determination of air velocity and uniformity of air velocity in laminar flow cleanrooms
- AS 1926.3-2010 (R2016)/Amdt 1-2011 Swimming pool safety Water recirculation systems
- AS 2001.2.3-1988 Methods of test for textiles Physical tests - Determination of breaking force and extension of textile fabrics
- AS 2081.3-1988 Electrical equipment for coal and shale mines - Electrical protection devices Earth-leakage protection devices for use on systems incorporating earth-fault current limiters
- AS 2118.3-1997 Automatic fire sprinkler systems Deluge
- AS 2205.3.3-1997 Methods for destructive testing of welds in metal - Longitudinal guided bend test
- AS 2219.1.3-1978 Methods of test for vitreous enamel coatings Chemical tests - Determination of resistance of vitreous enamel coatings to boiling hydrochloric acid
- AS 2252.3-2011 Controlled environments Biological safety cabinets Class III - Design