API STD 671 DATA SHEET-2007 Special-Purpose Couplings for Petroleum@ Chemical@ and Gas Industry Services - Mechanical Equipment Data Sheet (Fourth Edition; Includes Excel Spreadsheets)
2007API STD 671 DATA SHEET-2007 Special-Purpose Couplings for Petroleum@ Chemical@ and Gas Industry Services - Mechanical Equipment Data Sheet (Fourth Edition; Includes Excel Spreadsheets)