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NGAS
Science & Technology
bohrung
perforazione
drilling
russia
russland
geofisica
geophysik
geophysics
bohrgerät uralmash 5000
drilling rig uralmash 5000
烏拉爾馬什鑽機
uralmash bohrinsel
uralmash 굴착 장치
로즈 네프
rosneft
Uploaded by: NGAS
Views: 10.276
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