Unit heads . multi spindle heads . simple plain end drilling spindles 組合機床動力頭.多軸頭.簡單的普通端鉆床主軸
Standard specification for steel line pipe , black , plain end , laser beam welded 激光束焊平頭無鍍層鋼制總管的標準規范
Iso plain end welded precision steel tubes - technical conditions for delivery iso specifications 光端焊接精密鋼管.交貨技術條件
Iso plain end seamless precision steel tubes - technical conditions for delivery iso specifications 光端無縫精密鋼管.交貨技術條件
Plain end steel pipe 平端鋼管
Iso plain end as - welded and sized precision steel tubes - technical conditions for delivery iso specifications 焊后定徑光端精密鋼管.交貨技術條件
Petroleum and natural gas industries - field inspection of new casing , tubing and plain end drill pipe 石油和天燃氣工業.新套管管和平端鉆管的現場檢驗
Specification for plain end seamless and electric - resistance - welded steel pipe for high - pressure pipe - type cable circuits 高壓管型電纜線路用平端無縫與電阻焊鋼管規范
Standard specification for steel line pipe , black , plain end , longitudinal and helical seam , double submerged - arc welded 雙埋弧焊縱向和螺旋焊縫平頭無鍍層鋼制總管的標準規范
Standard specification for plain end seamless and electric - resistance - welded steel pipe for high - pressure pipe - type cable circuits 高壓管型電纜線路用平端無縫與電阻焊鋼管的標準規范