Safety signboard for enterprise management

A safety signboard for enterprise management mainly solves the problem that sometimes, enterprise employees easily enter a plant area without wearing a safety protector. The safety signboard is characterized in that an alarm indication hole, an infrared ray signal emission hole, an infrared ray sign...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG QINGHONG, YANG LIYAN, WEI JINGZHU, PENG XIANGDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES PHYSICS SEALS SIGNS
Online-Zugang:	Volltext bestellen
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