HTRB600/HTRB630钢筋机械直螺纹套筒打钢印
马钢HRB635E高强抗震螺..
HTRB600/HTRB63..
T63(HTRB630)高强..
HTRB630E滚轧直螺纹钢..
HRB500E/HTRB60..