TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Gate, globe, and check valves for sizes DN 100 (NPS 4) and smaller for the petroleum and natural gas industries: API Standard 602
U1  - Caja 17 
PY  - 2015///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -