73595430
Apr 22, 1986
Sep 15, 1987
TUBING JOINTS, METAL TUBES AND CONNECTIONS; FOR USE IN OIL AND GAS WELLS, STEAM INJECTION, AND FOR GEOTHERMAL WELLS
Metal GoodsPROVIDING TECHNICAL SERVICES, ADVICE, CONSULTATION AND ASSISTANCE TO OTHERS IN THE USE OF METALLIC TUBES, JOINTS AND CONNECTIONS FOR GAS AND OIL PRODUCTION, DRILLING AND GEOTHERMAL PRODUCTION
Computer and Scientific