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Φ94三翼金剛石開(kāi)閉鉆頭——瑞龍鉆具

金剛石復合片（PDC）是在高溫條件下，由人造金剛石與硬質(zhì)合金一次性合成的特殊超硬材料。

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φ94四翼金剛石開(kāi)閉合鉆頭——瑞龍鉆具

金剛石復合片（PDC）是在高溫條件下，由人造金剛石與硬質(zhì)合金一次性合成的特殊超硬材料。

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φ113-130金剛石開(kāi)閉鉆頭——瑞龍鉆具

金剛石復合片（PDC）是在高溫條件下，由人造金剛石與硬質(zhì)合金一次性合成的特殊超硬材料。

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Φ113-N57.3-8.466四翼金剛石開(kāi)閉合鉆頭瑞龍鉆具

金剛石復合片（PDC）是在高溫條件下，由人造金剛石與硬質(zhì)合金一次性合成的特殊超硬材料。

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Φ133-N57.8-8.446金剛石復合片開(kāi)閉合鉆頭

金剛石復合片（PDC）是在高溫條件下，由人造金剛石與硬質(zhì)合金一次性合成的特殊超硬材料。

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