Prototipo Standard B was developed and manufactured within the program Kampfpanzer Standart (Italy took part since 1958), with cooperations of companies Ingeniuerburo Warneke, Rheinstahl Hanomag, Henschel and Rheinmetall.
After comprehensive tests, the preference was given to the prototype of “Group A”, with led to the creation of the Leopard 1 tank.
Please note, the following information is from Supertest and it’s subject to change.
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