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Ergonomics of human-system interaction. Part 620. The role of sound for users of interactive systems
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Especially thin-walled seamless tubes from corrosion-resistant steel. Specifications
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Underwater pipeline sealing flanges 10,0 MPa (100 kgf/sm2). Design and dimensions
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Organic fertilizers on basis of waste of stock-raising. Specifications
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State system for ensuring the uniformity of measurements. Metals and alloys. Instrumental indentation test for hardness and other material parameters. Part 3. Technical requirements and calibration of reference test blocks
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