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Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Survey methods using an enveloping measurement surface over a reflecting plane
Document status: Active
Interstate System for Standardization. Interstate standards. Rules for development, taking over, renovation and cancellation. With AMD 1
Document status: Active
Data exchange for meter reading, tariff and load control. Local bus data exchange
Document status: Cancelled
Systems and software engineering. Content of life-cycle information items (documentation)
Document status: Active
