GOST R 58443-2019
Certification of operators of contact butt flash welding process and welders of thermite welding of railway rails. General requirements

Standard No.

GOST R 58443-2019

Published By

GOSTR

Latest

GOST R 58443-2019

GOST R 58443-2019 history

• 1970 GOST R 58443-2019 Certification of operators of contact butt flash welding process and welders of thermite welding of railway rails. General requirements