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ESPACENET/OPS patent families

In EPO web site there's a definition of patent families page and, relating to this definitions, in other pages of the site it's stated about ESPACENET equivalents that: Definition of the Espacenet ...
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Closed EPO application

A previous application for an European Patent Grant was "closed" by the European Patent Office. In which way the same application can be filled with US Patent Office?
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what is the difference between an EP patent (or publication) and a patent published in Europe?

I'm trying to understand the difference between a patent published in europe (or a publication with any country code) and an EP publication (published in EPO). What is the difference between ...