72227974
Sep 16, 1965
Jan 23, 1968
DRILLING AND PRODUCTION EQUIPMENT FOR THE OIL FIELD INDUSTRY-NAMELY, PACKERS, SAFETY JOINTS, COMPLETION TOOLS, BLOWOUT PREVENTERS AND FLOW CONTROLLERS, SETTING TOOLS, CABLE STUFFING BOXES, LINER PULLERS, BLAST JOINTS, SLIPS, BITS, AND ACCESSORIES THEREFOR
Yarns and Threads