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Year of Publication 23.06.1992
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Year of Publication 23.06.1992
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DEVICE FOR EXPANDING BOTTOM PART OF BOREHOLE
ARTEMOV VADIM A,SU, BOROVIKOV VIKTOR A,SU, NIKITIN YURIJ S,SU, TALKO ANATOLIJ I,SU
Year of Publication 15.06.1990
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Year of Publication 15.06.1990
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