SY 5297-1991
Straight seam resistance welded steel pipes for oil and gas transmission pipelines (English Version)

Standard No.

SY 5297-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

能源部

Latest

SY 5297-1991

SY 5297-1991 history

• 1991 SY 5297-1991 Straight seam resistance welded steel pipes for oil and gas transmission pipelines