Hello, oups lot of work !!
Pic 1 : French fuzes
-1 : 24-31mm Mle 1899 Robin Lejay (for a lot of shells and projectiles...), maybe the most commonly used during WW1
-2 : 24-31mm Schneider Trac A1644 (often used on 75mm gas)
-3 : 24-31mm Schneider (the base is strange, two flats for the key, not the same as the Mle16 used in France, maybe for export) (Artillery)
-4 : 24-31mm Schneider Trac A1853 (Artillery)
-5 : 24-31mm PR 16 (mortar and trench proj.)
-6 : 24-31mm Mle 14 (ww1 Artillery). Mle 14 has a flat top (maybe the plug moved upward, or it's a different model)
-7 ! 24-31mm Mle 99/15 Robin Lejay (Artillery)
Some of these fuzes were also exported
Pic2 : French fuzes
-1 : 30-55mm Mle 1913 (time fuze for AA shells - WW1)
-2 : 25-38mm Mle 1880 (T&P Artillery)
-3 : 24-31mm LD 17 (T&P Artillery)
-4 : 24-31mm Mle 15 or 16, time or T&P Artillery fuze (same shape) ; fuze shown with lead cap. (Artillery)
-5 : 24-31mm TCAL Mle 26 (Artillery)
Some of these fuzes were also exported
Pic3 : French fuzes
-1 : 24-31mm RYG 17 (Artillery, mortar...)
-2 : 24-31mm TCAL Mle 17 (Artillery)
-3 : 24-31mm RYG 18 (Artillery, mortar)
-4 & 5 : 21-28mm B Mle 35 (Brandt) - (mortar)
-6 front : 24mm IT Mle 15 (trench proj.)
Pic4 :
-1 : Looks like a Dutch fuze N28 sb (Schokbuis N28)
-2 : ???
-3 : ???
-4 : French fuze 25-38mm Mle 1875 Budin (Artillery)
-5 : French bomb nose fuze "Type H Mle 21"