H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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H04N1/00
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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H04N1/00002
Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
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H04N1/00071
characterised by the action taken
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