AIDA

APPARATUS OR SYSTEMS FOR NON-DESTRUCTIVE EXAMINATION OF MATERIALS OR STRUCTURES BY USING EDDY CURRENT; NAMELY, A SYSTEM, COMPRISING A GENERATOR AND ANALYZER; COMPUTER HARDWARE AND COMPUTER SOFTWARE PROGRAMS FOR THE AUTOMATIC OR SEMIAUTOMATIC PROCESSING OF SIGNALS SUPPLIED BY THE ABOVE-CITED APPARATUS OR SYSTEMS

[ MAINTENANCE OF PIPELINES AND OIL WELLS ]

[ ENGINEERING SERVICES; NAMELY, NON-DESTRUCTIVE TESTING, CHECKING OF PIPELINES AND OIL WELLS FOR WEAR AND TESTING THE RESISTANCE TO MATERIALS OR STRUCTURES TO WEAR ]