METHOD OF ERECTING BORED PILES
VAGANOV IVAN I,SU, MELNIK GRIGORIJ V,SU, CHEPIZHNYJ EFIM V,SU, VAGANOV IGOR I,SU
Year of Publication 30.09.1992
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Year of Publication 30.09.1992
Patent
METHOD FOR ERECTION OF PIPE FOUNDATION
NOVIKOV PETR S,SU, VAGANOV IVAN I,SU, ILIN VIKTOR I,SU, MELNIK GRIGORIJ V,SU, CHEPIZHNYJ EFIM V,SU
Year of Publication 15.02.1993
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Year of Publication 15.02.1993
Patent