Combustible natural gases. Methods for determination of hydrogen sulfide and mercaptan sulfur
Газы горючие природные. Методы определения сероводорода и меркаптановой серы. |
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MDS 11-1.99Recommendations-Procedure-Issuing-Construction … |
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MinEconDev 9On endorsing the procedure for establishing … |
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SNiP II-7-81Construction in Seismically Active Areas |