Actually, /01 lamp has 311nm dominant waveleghth, rather rare, and expensive, according to James. It is UV-B, which is stated on the etch, and needs some care with skin exposure.
Applications are phototherapy, photochemistry, and again according to James, light-fastness testing.
Are you both banned from Google? The first link returned by searching for lamp type reveals a proper manufacturer's datasheet!
https://www.lighting.philips.com/prof/conventional-lamps-and-tubes/special-lamps/various-uv-applications/uv-b/uv-b-narrowband-tl/LP_CF_XUMCOL01_EU/family