blast furnace tap lubang bor mata bor kepala pabrik baja blast furnace bor pipa bor hollow bar drill bar

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blast furnace tap lubang bor mata bor kepala pabrik baja blast furnace bor pipa bor hollow bar drill bar582c97e8ac23cc28d40c96cbae01744bor 38mm kab


Wektu kirim: Aug-17-2021