API SPEC 7-2 CHINESE-2008 Specification for Threading and Gauging of Rotary Shouldered Thread Connections (First Edition; ISO 10424-2: 2007 Adoption; ADDENDUM 1: DECEMBER 2010; Effective June 2011)
2008API SPEC 7-2 CHINESE-2008 Specification for Threading and Gauging of Rotary Shouldered Thread Connections (First Edition; ISO 10424-2: 2007 Adoption; ADDENDUM 1: DECEMBER 2010; Effective June 2011)