1、Special Purpose Gear Units forPetroleum,Chemical and GasIndustry ServicesANSI/API STANDARD 613FIFTH EDITION.FEBRUARY 2003ERRATA,DECEMBER 5,2005REAFFIRMED,AUGUST 2007ener光1(ANSIAMERICAN PETROLEUM INSTITUTENo roproduction or notworking permitled without liconso from IHSSpecial Purpose Gear Units forPe
2、troleum,Chemical and GasIndustry ServicesDownstream SegmentANSI/API STANDARD 613FIFTH EDITION,FEBRUARY 2003ERRATA,DECEMBER 5,2005REAFFIRMED,AUGUST 2007enerAPI(ANSIAMERICAN PETROLEUM INSTITUTENo roproduction or notworking permitled without liconso from IHSSPECIAL NOTESAPI publications necessarily add
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