GB/T 9123.19-1988 English PDF
Basic dataStandard ID: GB/T 9123.19-1988 (GB/T9123.19-1988)Description (Translated English): Steel pipe blank flanges with male and female face for PN 4. 0MPa (40 bar) Sector / Industry: National Standard (Recommended) Date of Issue: 4/25/1988 |