hj353
hj353, Total:2 items.
The international standard classification for "hj353" includes: Environmental protection .
The Chinese standard classification for "hj353" includes: Environmental monitoring instrument and its complete equipment .
Professional Standard - Environmental Protection
- HJ 353-2019 Technical specification for installation of wastewater on-line monitoring system (CODCr, NH3-N et al.)
- HJ/T 353-2007 Technical guidelines of wastewater on-line monitoring equipments and installation(on trial)
