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Measuring means for hydrogeological field research. Types. Main parameters. General requirements
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Reagents. Ferrous (II) sulphate 7-aqueous. Specifications
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Goods of household chemistry. Methods for determination of acids mass fraction
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Residual fuel oils. Test for straight-run. Method for determination of stability and compatibility by spot
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Petroleum and natural gas industries. Drilling fluid materials. Specifications and tests
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