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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”，應用于破碎、溶洞發育的復雜地層鉆進，這里加簡短的描述

Product details

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