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DEVICE FOR DETERMINING FAILURES CAUSING NON-FILLING WITH LIQUID OF SUCKER-ROD PUMPS OF THE DEEP-WELL PUMPING UNIT
DEVICE FOR DETERMINING FAILURES CAUSING NON-FILLING WITH LIQUID OF SUCKER-ROD PUMPS OF THE DEEP-WELL PUMPING UNIT
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机译:深井抽油机抽油泵液体不填充故障的确定装置
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摘要
device for determining the causes of незаполнения fluid скважинных штанговых pumps глубиннонасосной installation containing a усили ,out of which retainer is connected to the first zero уровн entranc
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