Russian standards PDF
Seamless and welded steel tubes. Part 6. Radiographic testing for the detection of imperfections of the weld seam
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Seamless and welded steel tubes. Part 7. Weld seam digital radiographic testing for the detection of imperfections
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State system for ensuring the uniformity of measurements. Net oil as a part of oil-gas-water mixture quantity and quality parameters metering stations and metering units. Metrological and technical requirements
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Occupational safety standards system. Dermatological personal protective equipment. Directed efficiency test methods of dermatological personal protective equipment. Part 2. Equipment with combined (universal) action
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System of design documents for construction. General provisions
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System of design documents for construction. Rules for presenting technical reporting documentation on engineering surveys
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