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Olson Instruments, Wheat Ridge CO 303.423.1212. Field ruggedized systems for nondestructive testing (NDT) and data acquisition for structural condition ...
www.ndt-olsoninstruments.com - 2009-04-04
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Impact-Echo Instruments manufactures computer-operated equipment for nondestructive testing of concrete and masonry structures, including highways, bridges, ...
defects in concrete  flaws in concrete  highway pavement 
www.impact-echo.com - 2009-02-04
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crosshole sonic logging
ultraseismic
ultrasonic pulse velocity
nondestructive testing
impulse response
inspection
nde
ndt
parallel seismic
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