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Hydraulic machines. Guidelines for dealing with hydro-abrasive erosion in rotary-blade, radial-axial and bucket turbines
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High-efficiency filters and filter media for removing particles in air. Part 4. Test method for determining leakage of filter elements – scan method
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Unified system for design documentation. Rules of duplication
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Bast fibres technical yarn for cable and packing. Specifications
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Line equipment of local telephone networks. Terms and definitions
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