Flak:
Spanish Republic
120 Canon AA 20mm - Oerlikons were used by Republican side (
http://www.sbhac.net/Republica/Fuerz...rtAA/ArtAA.htm) - photo 17041 (current is Breda). Standard AA icon 64 might be better than wheeled AT gun.
121 Canon AA 37mm - very few
http://www.sbhac.net/Republica/Fuerz...rtAA/ArtAA.htm
122 40mm Canon AA - photo is German 3,7cm - Bofors is eg. 2332, 2302, 6080 30203. Better dedicated icon seems 2808.
Same for Spain OOB33 unit 494
Spain
38 Vierling Azul - proper icon 63
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End of too detailed artillery, I guess. I hope that
some suggestions help.