1、Specification for Marine Drilling Riser EquipmentAPI SPECIFICATION 16FSECOND EDITION,NOVEMBER 2017API MONOGRAM PROGRAM EFFECTIVE DATE:MAY 1,2018ERRATA 1,FEBRUARY 2019ADDENDUM 1,JANUARY 2021(API MONOGRAM PROGRAM EFFECTIVE DATE:JULY 1,2021)Special NotesAPI publications necessarily address problems of
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