Question is aimed mostly to members from East Europe places that were part of the Soviet Block
In USSR/Russia up to early 90s the circuit breakers installed in panels were Romanian made AE 1031 breakers, like this :
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/AE_1031_circuit_breaker.JPG/800px-AE_1031_circuit_breaker.JPG)
In what other countries were those breakers used and during what time period ?