sdb wont mount

Hello,

I'm a newbie to datarecovery and I recently been plageud by what I think is a damaged superblok.
I realy need my data back sinds there are some note's on it I don't wanna lose(my classmates where to lazy to take note's)

I have never done this before and I don't have enough experience with the commandline.
So if somebody could please point me in the right direction I would appreciate it.

Thanks!