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Mata bor coring untuk casing 4 in dengan mata tungsten karbida untuk pipa bor 1 1/4 in // Coring drill bit for 4 in casing with tungsten carbide bit for 1 1/4 in drill rod #pengeboranindonesia #drillingrig #pengeboransumurbor #sumurbor #pengeboran #pengeboransumurdalam #suplieralatalatpengeboran #waterwell #drilling #borsumur #waterwelldrilling #pengeboranair #taniindonesia🇮🇩🇮🇩🇮🇩🌿🌿 #taniindonesia #pertanian | Karta Teknik

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