Steel globe valves-Flanged and butt-welding ends, bolted bonnets API Standard 623
Steel globe valves-Flanged and butt-welding ends, bolted bonnets API Standard 623
API 623
- 2a. ed.
- Washington American Petroleum Institute, API 2021
- 30 p.
= 623
Normalización
Normas API
Caja 18-B
Normalización
Normas API
Caja 18-B



