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Geophysical Instruments and metal detectors

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Petar Valchev       www.georadar.ga

Bulgaria
valchevgpr@gmail.com  phone: +359877532747    valchev_gpr 

TD Transient Electromagnetic (TDTEM)  ,  GPR ,  Earth resistivity meter 

+359 888 551452

инж. Петър Вълчев

гр Плевен

Ground penetrating radar GPR  https://sites.google.com/site/vgeoradar/
Георадари          https://sites.google.com/site/vgeoradar/

Metal detectors  https://sites.google.com/site/vdetectors/
Металотърсачи  https://sites.google.com/site/vdetectors/

Earth resistivity meters   https://sites.google.com/site/resmeter/
Мулти електродни омметри  https://sites.google.com/site/resmeter/


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