TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Manual on installation of refinery instruments and control systems: Part I-Process instrumentation and control section 6- Control valves and accessories
U1  - Caja archivo 2 
PY  - 1985///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
N1  - Dada de baja por API
ER  -