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METER OF ELECTRICAL PROPERTIES OF MOUNTAIN ROCKS AND ORES
METER OF ELECTRICAL PROPERTIES OF MOUNTAIN ROCKS AND ORES
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机译:山地岩石和矿石的电学性能指标
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摘要
device for measuring the electrical properties of rocks and ores, which has the built-in second harmonic generator, a phase splitter, amplifier power with дифферен циальными entrances.the reference re
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