121/4" HS962XA 2015API Oil Well PDC trapano & Gas ben PDC trapano per acqua pozzo, giacimento di petrolio, Gas naturale
pozzo di petrolio da trapano, pdc trapano, trapano ben gas, giacimento di petrolio, gas naturale bit, bit di trivello produttore, Cina, fabbrica di perforazione
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agak tricone gerudi,Website:, air baik penggerudian, penggerudian, hot dijual, maklumat / roller kon bit/batu agak air baik penggerudian |
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Gyda ffatri proffesiynol a chynhyrchiol, HAINAISEN yn un o'r gweithgynhyrchwyr darnau dril sintered llorweddol Tsieina blaenllaw. Croeso i ddarnau ... |
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