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Unified system for design documentation. Graphic designations. Hydraulic and pneumatic valves, control devices measuring instruments, indicators, switches
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Optical fibres. Part 1-1. Measurement methods and test procedures. General and guidance
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Petroleum and natural gas industry. Subsea production systems. Subsea oil and gas operations with human participation in the costal zone
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Fluxes for electroslag remelting. Methods for determination of manganous oxide
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