COUPLING TUBING:4-1/2IN NU BOX X BOX DRILLING ALLOY C75 AT H/YARD
COUPLING TUBING:4-1/2IN NU BOX X BOX DRILLING ALLOY C75 AT H/YARD
COUPLING TUBING:4-1/2IN NU BOX X BOX DRILLING ALLOY C75 AT H/YARD
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