ELECTRONIC SHELF LABEL AND ELECTRONIC SHELF LABEL SYSTEM

PROBLEM TO BE SOLVED: To display merchandise information when in normal state, to immediately notify a customer of occurrence of a disaster by displaying disaster notification information in place of the merchandise information, and to enable the customer to quickly evacuate in the case of a disaste...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: AKAO HIROSHI
Format: Patent
Sprache:eng
Schlagworte:
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