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Combined display of all available logs of biophysics. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 14:30, 11 December 2023 Lof talk contribs created page Brüel & Kjear model 2250 Light (Created page with "[[File:|thumb|Brüel & Kjaer Sound Level Meter]] ==Description== B&K 2250 series is a powerful single-channel class 1 sound level meter and hand-held analyzer. The instrument...")