There are the missing lines in Polish translation:
18010380 ZiS-5 Lock Down
18010381 Lock down your ZiS-5 medical truck in a stationary position to heal nearby troops.
18010382 DP-28 Light Machine Guns
18010383 Add two Degtyaryov LMGs to your squad for extra ranged firepower
18010384 Heavy Artillery Strike
18010385 Your Major will call down a strike of heavy artillery on the foes of our Motherland.
18010386 Light Tankovy Support
18010387 Request light armoured support in the form of the T70, T90 and SU-85 tanks.
18010388 Heavy Tankovy Support
18010389 Request heavy armour through the form of the T-34 and IS-2 tanks.
18010390 Close Range Support
18010391 Aquire close range support - the Mortar and the Anti-Tank Rifle Squad.
18010392 Medium Range Support
18010393 Aquire Medium range support - the ZiS-2 AT Gun and the Sharpshooter squad.
18010394 PPS-43 SMG
18010395 The small, light and deadly PPS-43 allows the Command Squad to close in with extreme prejudice.
18010396 Sherman M4A2 (76)
18010397 Request a Sherman M4A2(76) via lend lease from the US. Comes equipped with the deadly 76mm gun and tank commander.
18010398 Improved long range combat.
18010399 Limited Supply.
18010400 Any Support Barracks Upgrade.
18010401 Any Support Barracks upgrade AND any Tank Hall Upgrade.
I hope that you can translate it and add in new patch
I też się cieszę, że ktoś nad tym pracuje, bo wkurzają mnie takie niedociągnięcia