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Structured systems, so-called classifications, are available for the different types of IP. On the one hand, the classifications help to systematically identify or categorise information and, on the other hand, to retrieve or ascertain information on a specific subject.

You can use the symbols or the notations of the respective classification in the search forms of DPMAregister ("Basic search", "Expert search", "Monitoring") as search criteria.

An overview of the different classifications for each type of IP is available from the menu items below.

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