Earthquake warning device

The invention provides an earthquake warning device. The earthquake warning device comprises an earthquake warning body, an earthquake intensity sensing unit, a radian touch control curved surface, a positioning column, a metal bead body, an earthquake intensity sensing transmitting module, a buzzin...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KE YONGXIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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