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MSA SORDIN AB
| MSA SORDIN AB Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100189277 | SYSTEM FOR HEARING PROTECTORS - A system for hearing protection comprising an outer hearing protection unit, an inner hearing protection unit, and an outer microphone is disclosed, the inner hearing protection unit comprising a speaker and the microphone being arranged to be electrically connectable for transmission of signals to the speaker. | 07-29-2010 |