I managed to translate some of them:
Q1: Do I understand correctly that Ob.142 is a modification based on the 140?
A: It is something between 140 and the T-54B.
-The Japanese have little and vague information about their heavies
Q: The in-game Leopard tanks have improved stealth values, is this based on real life or just a balance change?
A: It is a balance change.
Q: Is there any information about the Panther with a 150 mm howitzer in the turret? If there is, could it enter the game?
A: That is not a howitzer, but a sIG 33 Tank version.
-the T26E1 is the the early name of the T26E4;
-We would like to complete the research about the Somua SM.
-The Sturmtiger with an 88 mm cannon is a fake;
