Patents - How to read the IPC Patent Codes

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Sample of an IPC Code interpetation

Where for our example, H04H 1/06:

    H - Electricity
      04 - Electric communication technique
       H - Broadcasting
        1 - Broadcast distribution system
         06 - having frequencies in two or more frequency bands,
                e.g. medium wave and VHF
See the International Patent Classification Guide for more info.

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