83/4"HS642XA API 和 ISO 鋼體 PDC 鑽頭,石油鑽井
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h-hns m-MATRIX 9-CUTTER 19 4-4 'etlh 2-Prefecture-patlh hierarchical x-Vas ROW g-pdc CUTTER chenmoH in jungwoq |
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sandsten boring/Factory salg PDC DRILL BIT/olieefterforskning med rabat
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Kina levererar,Website:, gott skick bit, stål borr, god kvalitet, sten borrning bitar, PDC-borr, diamant borr |
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Matrica telo pdc burgiju, ulje pa bušenje, ugalj, rudarstvo, rangiranje bitni dijamant bušenje |
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Ko ar fábrica xi hño ar tsa̲ ne productiva, HAINAISEN ge 'na ya ndu'mi fabricantes Ntxinä cable impregnado diamante core bit. Hogu̲ntso̲ho̲ broca d... |
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