GB/T 9119.7-1988 English PDF
Basic dataStandard ID: GB/T 9119.7-1988 (GB/T9119.7-1988)Description (Translated English): Slip-on welding plate steel pipe flanges with raised face for PN 1. 0MPa (10 bar) Sector / Industry: National Standard (Recommended) Date of Issue: 4/25/1988 |