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Core Bit
Product name

Diamond Core Bit

( API 7-1, SY/T5164, ISO9001:2008 )    
Product name

Diamond Core Bit

( API 7-1, SY/T5164, ISO9001:2008 )    
Product name

PDC Core Bit

( API 7-1, SY/T5164, ISO9001:2008 )    
Product name

PDC Core Bit

( API 7-1, SY/T5164, ISO9001:2008 )    
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