标准号:STAS 9749-1974
中文标准名称:石油装备.金刚石钻进和取岩刀片.尺寸
英文标准名称:Petroleum equip men L DIAMOND DRILLING AND CORING BITS Dimensions
发布日期:1974/1/8 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Prezentul standard se refer? la dimensiunile sapelor ?i coroanelor cu diamante industriale, folosite la forajul rotativ al sondelor.