Petroleum and natural gas in dustries. Subsea production systems. Bar of nickel-chromium-molybdenum-niobiumalloy, nickel-chromium-molybdenum-silicon andnickel-chromium-molybdenum-tungstenalloys. Specifications
System of standards on information, librarianship and publishing. Bibliographic recording. Bibliographic description for electronic resources. General requirements and rules
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