finally figured this out fully

a swiss patent and original machien , license taken by a german company that also outsourced to french laffly on a different chassie (french Renault tanks)
https://www.imcdb.org/vehicle_835424-Konrad-Peter-DER.html


a pair of T-34/85 with producers by default


https://www.imcdb.org/vehicle_1566917-T-34-85.html
https://www.imcdb.org/vehicle_1576199-T-34-85.html


and a Panzer 2
https://www.imcdb.org/vehicle_1384780.html