Russian standards PDF

Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering/survey methods for use in situ in a reverberant environment

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Cardiovascular implants. Tubular vascular prostheses

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Ergonomics of human-system interaction. Part 129. Guidance on software individualization

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Ergonomics of human-system interaction. Part 20. Accessibility guidelines for information/communication technology equipment and services

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Electronic data interchange for administration, commerce and transport (EDIFACT). Application level syntax rules (Syntax version number: 4, Syntax release number: 1). Part 5: Security rules for batch EDI (authenticity, integrity and non-repudiation of origin)

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Electronic data interchange for administration, commerce and transport (EDIFACT). Application level syntax rules (Syntax version number: 4, Syntax release number: 1). Part 6. Secure authentication and acknowledgement message (message type-AUTACK)

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