U.S. federal trademark · Serial No. 72161260 · Reg. No. 0765238
STEEL TESTING SERVICES TO DETERMINE METAL FATIGUE, CRACKS, WEAR, HEAT TREATMENT VARIATION, CRYSTALLIZATION, CORROSION, COLD WORKING AND DAMAGES IN VARIOUS STEEL ELEMENTS INCLUDING MANUFACTURED PARTS, SUCKER RODS AND PIPES USED IN THE OIL FIELDS
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