TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Liquid ring compressors and vacuum pumps in petroleum, chemical, and gas industry services: API standard 681
U1  - Caja 19-B 
PY  - 2021///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -