Hi! The cabling is different, specifically the Airport cable, because the 1.33GHZ has an internal Airport card, whereas the 1.2GHZ has a standard (removable) Airport, and they have different connectors. Physically the hinge will attach, and the screen will work on both models, but again, you'd need to transplant the cabling, which is not an easy task.
If the hinge is intact and you're just looking to transplant the screen itself (the screen inside the casing, not the whole enclosure including hinge, bezel, etc.) to the other machine, then that will work and is a much easier operation -- just pop the screen backing and shielding off, and transplant the screen.
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