hj/t 420

hj/t 420, Total:3 items.

The international standard classification for "hj/t 420" includes: Products of the chemical industry in general .

The Chinese standard classification for "hj/t 420" includes: Standardization and quality management .

Professional Standard - Environmental Protection

• HJ/T 426-2008 Cleaner production standard–Sintering industry
• HJ/T 420-2008 The guidelines for the generic name of new chemical substances

Professional Standard - Aviation

• HB 459.1-1984 HJ-1 welding rod technical conditions

Others: jg/t 420,jg/t 420-2013,hj, t,jg t 420 2013,hj hj/t,jg/t+420,hj/t 420,ws/t 420-2013,qc/t 420-2004,gb t 420,jg/t 420 -2013,ej/t 420-1989,hj t,hj,t,QC T 420 2004,gb/t 420,GB/T 420-2009