The piston compressors, hermetic for refrigerants of low refrigerating capacity. Technical requirements
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The piston compressors, hermetic for refrigerants of low refrigerating capacity. Methods of tests
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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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Axial fans of general purpose
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Axial fans of general purpose
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General-purpose axial fans
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General-purpose ventilators. Methods of noise characteristics determination
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Occupational safety standards system. Ventilation system. Aerodynamical test methods
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Ventilation systems. General requirements
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Hermetic freon units of low cooling capacity. Technical requirements
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