Russian standards PDF
Civil aircraft. Service bulletins processing and works fulfillment in accordance with them
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Noise of machines. Determination of sound insulation performances of enclosures. Part 2. Measurements in situ for acceptance and verification of declared noise performance values
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Noise of machines. Industrial fans. Determination of sound power levels under laboratory conditions. Part 2. Reverberant method
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Brass rods for free machining purposes. Specifications
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