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- Sound generation, sound dispersion and sound proofing in heat pumps @planning:building_services:heating_and_dhw:heating:heat_pumps
- st effectively and with the least effort and are therefore preferable to secondary sound protection meas... values for the A-rated overall sound level are adhered to, but should also analyse exceeding of the aud... w-frequency range. Which limit values should be adhered to here is explained in more detail in the article relating to standards and regulations. ===== Liter