Portable drill rod magnetic memory detector

The invention relates to a portable magnetic memory detector for a drill rod, which is applied to nondestructive examination for a petroleum drill rod. The detector body is fixed with a magnetic memory sensor; a detector stander is provided with a right-angled steel plate of which the shape is of a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHI JUN, SU JIANWEN, SONG ZHOUCHENG, ZHOU JIE, ZHANG LAIBIN, LU QIANG, CHU SHENGLI, WEN DONG, FAN JIANCHUN, LE FAGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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