Unusual names: DomainEntity?

[guthrie]

I inherited a spreadsheet, and in the names table there are a bunch of unrecognizable names; for example:
DomainEntity9d7895027c2048eeac0ddc9264f219d4

They have Workbook scope, and refer to something like:
=Sheet2!$B$2:$B$12

But there is no "Sheet2" tab defined in this workbook.
They do show a value, but a search for some of the values fails (i.e. they are not in this workbook), and trying a GoTo does nothing.

The Values look like this:
{"1 {Active}";"2{Inactive}"}
Like some sort of system mapping table - but again, the words in the map are generally not even in this workbook.

[Kaper]

May be Sheet2 is hidden or very hidden?

Just to make sure we care also about second case (if it's just hidden, it coulkd be made visible via worksheet interface):

1) Try opening VBA editor (press Alt+F11)
2) At the bottom you shall see Immedaiate window, if not press Ctrl+G
3) in immediate window write

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and press Enter

Can you see this sheet tab now?