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Trunk gas pipelines. Design standard for pressure over 10 MPa. Principal requirements
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Peat and products of its processing for agriculture. Method for determination of hydrolytic acidity
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Casing and tubing for petroleum and natural gas industries. Recommendation for care and use
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Talc and talcomagnesite. Method for determination of granularity
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Reagents. Ammonium sodium hydrogen phosphate 4-aqueous. Specifications
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Ion-exchange resins. Methods of determination of granulometric composition
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