hj/t 50

hj/t 50, Total:2 items.

The international standard classification for "hj/t 50" includes: .

The Chinese standard classification for "hj/t 50" includes: Analysis methods for toxic substances in water .

Professional Standard - Environmental Protection

• HJ/T 50-1999 Water quality -- Determination of trichloro-aldehyde -- 3-methyl-1-phenyl-5-pyrazolone spectrophotometric method

International Telecommunication Union (ITU)

• ITU-T K.50 Erratum 1-2021 Erratum 1 (03/2021) to Recommendation ITU-T K.50 (2018), ITU-T K.50 (2018) Amendment 1(2020) and ITU-T K.50 (2018) Corrigendum 1(2020)

Others: hj/t 50-1999,hj/t 50,hj50-1999,itu-t+t.50,hj, t,hj hj/t,hj/t 50-1999,hj t 50 1999,hj t 50,ws/t 50,hj+t+50,hj 50-1999,hj /t,hj t,hj,t,hj 50,hj/50-1999,. hj/t 50 - 1999