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... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
... 7.API SGS Certificate description of drill bit : 1)This series tricone bit use Sealed roller bearing structure. With rollers arranged in grooves recessed in the cone body, the size of the...
...Code, MSC.218(82), mSC272(85), MSC.320(89)& MSC.81(70), MSC.226(82), MSC321(89) It can driven by outboard engine and inboard engine. Boat body material: Fire-retardant type FRP, it can self-rightingby itself...