TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Installation, maintenance, and repair of safety valves (SSV, USV, and BSDV): API Standard 6AV2
U1  - Caja 3-1 
PY  - 2020///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
KW  - Válvulas
ER  -