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管材, 內徑 67mm (2⅝"), 厚 13mm (½"), COB-13X067
管材, 內徑 76mm (3"), 厚 13mm (½"), COB-13X076
管材, 內徑 89mm (3½"), 厚 13mm (½"), COB-13X089
管材, 內徑 108mm (4¼"), 厚 13mm (½"), COB-13X108
管材, 內徑 114mm (4½"), 厚 13mm (½"), COB-13X114
管材, 內徑 6mm (¼"), 厚 19mm (¾"), COB-19X006
管材, 內徑 10mm (⅜"), 厚 19mm (¾"), COB-19X010
管材, 內徑 12mm (½"), 厚 19mm (¾"), COB-19X012
管材, 內徑 15mm (⅝"), 厚 19mm (¾"), COB-19X015
管材, 內徑 20mm (¾"), 厚 19mm (¾"), COB-19X020
管材, 內徑 22mm (⅞"), 厚 19mm (¾"), COB-19X022
管材, 內徑 25mm (1"), 厚 19mm (¾"), COB-19X025
管材, 內徑 28mm (1⅛"), 厚 19mm (¾"), COB-19X028
管材, 內徑 35mm (1⅜"), 厚 19mm (¾"), COB-19X035
管材, 內徑 42mm (1⅝"), 厚 19mm (¾"), COB-19X042