74128463
Jan 7, 1991
Jun 16, 1992
geophysical and geological exploration and surveying machines for use in the oil, gas and mining industries and in the field of environmental study and testing; namely, drills, samplers, corers, and probes and component parts of all of the foregoing
Machinerygeophysical and geological exploration and surveying for the oil, gas and mining industries and in the field of environmental study and testing; technical consultation and research in the field of geophysical and geological exploration and surveying and associated machineries
Computer and Scientific