TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Specification for fire test for valves with automatic backseats: API Specification 6FC
U1  - Caja 3-2 
PY  - 2009///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
KW  - Válvulas
ER  -