The two PETs: Commodore PET 8032-SK and 8096SK.
EPROM Plugin Board
Power Connection Box
The anti-interference capacitor is not practically needed today and it is a good idea to remove it, as it is prone to failure and can damage the nearby motherboard.
Analogue Display Board
This keyboard is marked Mitsumi COM-3. Other markings on the board are: 56 3352 A01.
Please compare to Mitsumi COM-8 keyboard belonging to a 8296-SK, which is described on 8096-SK page.