SY 4052-1992
Oil and gas pipeline welding process evaluation method (English Version)

Standard No.

SY 4052-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

能源部

Latest

SY 4052-1992

SY 4052-1992 history

• 1992 SY 4052-1992 Oil and gas pipeline welding process evaluation method