标准编号:ISO 10207:1991
中文名称:凿岩设备.冲击钻井用额定尺寸为22mm至38mm的圆螺纹钢钎设备
英文名称:Rock drilling equipment — Rope threaded drill steel equipment for percussive drilling, nominal sizes 22 mm to 38 mm
发布日期:1991-02
标准编号:ISO 10207:1991
中文名称:凿岩设备.冲击钻井用额定尺寸为22mm至38mm的圆螺纹钢钎设备
英文名称:Rock drilling equipment — Rope threaded drill steel equipment for percussive drilling, nominal sizes 22 mm to 38 mm
发布日期:1991-02