Trenchless drain-laying machine - has tool height adjusting support formed by protruding blades tilted by ram von V. KAREV,NIKOLAJ, F. KORELIN,VLADIMIR, V. EROFEJENKO,IGOR, B. KUDISCH,VIKTOR, I. BOBTSCHENOK,MERI, L. FAINSILBER,MICHAIL, S. KOSLOV,JURIJ, N. KUSIN,EDUARD, P. EGOROV,JURIJ, K. KOLBASOV,VALERIJ

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