
Hubbed slip-on-welding steel pipe flanges with ring-joint face for PN 2. 0MPa (20 bar)
NORMA vydaná dňa 1.1.1988
Designation standards: GB/T 9116.21-1988
Note: NEPLATNÁ
Publication date standards: 1.1.1988
Country: Chinese technical standard
Kategória: Technické normy GB