Moldova standards PDF

Aerospace - Nuts, hexagonal, plain, reduced height, normal across flats, with MJ threads, classifications- 450 MPa (at ambient temperature) /120 degrees C, 450 MPa (at ambient temperature) /235 degrees C, 600 MPa (at ambient temperature) /425 degrees C, 900 MPa (at ambient temperature) /235 degrees C, 900 MPa (at ambient temperature) /315 degrees C, 900 MPa (at ambient temperature) /650 degrees C, 1 100 MPa (at ambient temperature) /235 degrees C, 1 100 MPa (at ambient temperature) /730 degrees C and 1 250 MPa (at ambient temperature)/600 degrees C - Dimensions. Original standard ISO 9609-2016 in PDF full version. Additional info + preview on request

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Acoustics - Characterization of sources of structure-borne sound with respect to sound radiation from connected structures - Measurement of velocity at the contact points of machinery when resiliently mounted. Original standard ISO 9611-1996 in PDF full version. Additional info + preview on request

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Acoustics - Determination of occupational noise exposure - Engineering method. Original standard ISO 9612-2009 in PDF/ZIP full version. Additional info + preview on request

Document status: Replaced by St ISO 9612-2025

Acoustics - Determination of occupational noise exposure - Methodology. Original standard ISO 9612-2025 in PDF full version. Additional info + preview on request

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Acoustics - Attenuation of sound during propagation outdoors - Part 1- Calculation of the absorption of sound by the atmosphere. Original standard ISO 9613-1-1993 in PDF full version. Additional info + preview on request

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Acoustics - Attenuation of sound during propagation outdoors - Part 2- Engineering method for the prediction of sound pressure levels outdoors. Original standard ISO 9613-2-2024 in PDF full version. Additional info + preview on request

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