API STD 673 DATA SHEET-2014 Centrifugal Fans for Petroleum@ Chemical and Gas for Industry Services - Mechanical Equipment Data Sheet (Third Edition; Includes Excel Spreadsheets)
2014API STD 673 DATA SHEET-2014 Centrifugal Fans for Petroleum@ Chemical and Gas for Industry Services - Mechanical Equipment Data Sheet (Third Edition; Includes Excel Spreadsheets)