SY/T 4056-1993(条文说明)
Methods for Radiographic Inspection and Quality Classification of Welded Girth Butt Joints in Oil and Gas Steel Pipeline (English Version)

Standard No.

SY/T 4056-1993(条文说明)

Language

Chinese, Available in English version

Published By

Professional Standard - Petroleum

Status

Be replaced 2005-11

Replace By

SY/T 4109-2005

Latest

SY/T 4109-2020