Derign and Practice of Type DZ-1 Numerical Electric Survey System[J]. COAL GEOLOGY & EXPLORATION, 1987, 15(2): 51-55.
Citation: Derign and Practice of Type DZ-1 Numerical Electric Survey System[J]. COAL GEOLOGY & EXPLORATION, 1987, 15(2): 51-55.

Derign and Practice of Type DZ-1 Numerical Electric Survey System

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