A gas stove is a gas stove is a gas stove
No better or worse, I would have thought, than a later Camping Gaz stove or any other manufacturer.
However, a Camping Gaz stove wouldn't really look right in a 1960s camper, whereas the Dudley does
Not all Carawagons had the stove on the back door - two of ours have while the other two are in the top of cabinets. However, they are the same stoves (Dudley) whether they were adapted for door use or cabinet use.