qj1666a

qj1666a, Total:3 items.

The international standard classification for "qj1666a" includes: Welding, brazing and soldering in general .

The Chinese standard classification for "qj1666a" includes: Welding and cutting .

Professional Standard - Aerospace

• QJ 1666-1995 Technical Conditions for Fusion Welding of Titanium and Titanium Alloy
• QJ 1666A-2011 Technical requirements for fusion welding of titanium and titanium alloy
• QJ 1666-1989 Titanium and titanium alloy fusion welding technical conditions

Others: qj1666a 2011