IPTO Authority file layout

The AF contains all italian patents and utility documents published.

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Data Description according st.37

The first field contains "Country Code" according st.3 

The second field contains the "application number"

The third field contains the  "kind code"
	- A for invention
	- U for  utility model;
	
The fourth field contains the  "publication date"


The AF will be updated every 6 months.