Gm7 chord inversions
Gm7/Bb, Gm7/D and Gm7/F are the first, second and third inversions of the Gm7. This means that the bass tone is shifting from G to B flat, D or F.
Theory and information
All these chords consist of the notes G, Bb, D, F. The difference is that the order of notes shifts. Bb is the bass note in the first inversion, D is the bass note in the second inversion and F is the bass note in the third inversion.
In standard tuning, there are ways to play G minor 7th inversions with both barre shapes and as open chords. Gm7/Bb can also be played as X13333. Gm7/D can also be played as 10 10 12 10 11 10. Gm7/F can also be played as XX3333.
Alternative chord names
Gm7/Bb is identical with Gm7/A# and Bb6.
Gm7/F is identical with Gm/F.
Try in a chord progression
Bbmaj7 - Gm7/Bb - Cm7
Chords that sound good together with G minor 7th inversions
Some typical chords that are likely to be included in progressions with these chords are: Bbmaj7, Cm7, Dm7, Ebmaj7, F7.