File processing system and information processing method thereof

The invention relates to a file processing system with an automatic after-sales service function, which is mainly characterized in that a mobile device of a user and a remote server provided by a manufacturer are respectively connected with a network, a file processing device displays graphic code i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SHENG SHICHAO
Format: Patent
Sprache:chi ; eng
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