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API RP 14H - Installation, Maintenance, And Repair of Surface Safety Valves and Underwater Safety Valves Offshore (4th, 1994)
API 421 Pub- Monographs on Refinery Environmental Control- Managment of Water Discharges, February 1990
API MPMS 14.3.3
API 617 7th Centrifugal and Axial Compressor Data Sheet
API 617 Axial and Centrifugal Compressors Errata 2003-06
4G e4 Errata
API 676 positive displacement rotory pumps
