Magnet polarity recognition device

The utility model discloses a magnet polarity recognition device, including casing, handle, battery, sensor, display and control circuit, establish the cuboid structure of cavity in the casing is, establish the cylindrical structure of cavity in the handle is, casing one end connection handle, the f...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CHENG HAOMING
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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