Butterfly valves: double flanged, lug and wafer type, and butt-welding ends : API Standard 609
Butterfly valves: double flanged, lug and wafer type, and butt-welding ends : API Standard 609
Std 609 : API 609
- 9a. ed.
- Washington : American Petroleum Institute, API, 2021.
- 25 p.
Normas API
Normalización
Normas API
Caja 17
Normas API
Normalización
Normas API
Caja 17



