标准号:STAS 5291-1986
中文标准名称:勘探设备.用于小型钻机,直径为50毫米的钻杆的特殊接头
英文标准名称:Prospections equipment SPECIAL JOINT FOR DRILLING PIPES WITH 50mm DIAMETER FOR PROSPHCTING RIGS
发布日期:1986/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Prezentul .standard se refer? la racordurile speciale folosite pentru asamblarea pr?jinilor ih' foraj cu diametrul de 50 mm pentru sondeze.