Yup, most Eastern bloc armies have these or similar. Well, the one I saw, of the Romanian army, may not have had the bottle opener :) Or I may not have seen it

Yup, most Eastern bloc armies have these or similar. Well, the one I saw, of the Romanian army, may not have had the bottle opener :) Or I may not have seen it among all those gadgets. FYI, they're also a close-quarters combat weapon, and were a favourite of assault engineers.