Showing 1 - 3 results of 3 for search 'V. I. Spirin', query time: 0.00s Refine Results
  1. 1
    Effective rock cutting tool for drilling small diameter for oil and gas
    by Ju. E. Budjukov, V. I. Spirin
    Published 2016
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  2. 2
    Shaft cutters for geological exploration
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  3. 3
    Criteria of the optimal duration when drilling shells with removable core receiver
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