Radial and axial fans. Dimensions and parameters
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Radial and axial fans. Methods of aerodynamic tests
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Radial and axial fans. Aerodynamic testing methods
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Axial fans for general use. General specifications
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General-purpose axial fans
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General-purpose ventilators. Methods of noise characteristics determination
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Electric fan heaters for household use. General specifications
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Unified system for design documentation. Graphic designations. Fluid conditioners and capacitors
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Equipment for air conditioning, ventilation and heating. Terms and definitions
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Air handling equipment. Nominal dimensions of connection's cross sections
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