TCVN 3734-1989
Electrodes for arc welding.Symbol

Standard No.

TCVN 3734-1989

Release Date

2008

Published By

VN-TCVN

Latest

TCVN 3734-1989

TCVN 3734-1989 history

• 2008 TCVN 3734-1989 Electrodes for arc welding.Symbol