Operation safety helmet

The utility model discloses an operation safety helmet which comprises a helmet shell, a helmet brim fixed to the bottom of the front side of the helmet shell, a fastening belt fixed to the lower portion of the helmet shell and a display screen, a first magnetic piece fixed to the inner side of the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEN BAOGUO, LIU HAIDONG, GUO YUELIANG, CHEN YULONG, YANG MING, MENG LINGJIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES
Online-Zugang:	Volltext bestellen
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