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PRODUCTS

SANYOU DIAMOND

PRODUCT CLASS

Series of Drilling-With-Casing Bits

heel bit Φ91/78.5

跟管鉆頭又稱“手套管鉆頭”、“套靴管”，應(yīng)用于破碎、溶洞發(fā)育的復(fù)雜地層鉆進(jìn)，這里加簡短的描述

Product details

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13607833518(謝勇剛)

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