Depth detection device for different steps in deep hole in narrow space

The invention discloses a depth detection device suitable for different steps in a deep hole in a narrow space. The detection device comprises a Y-shaped bracket, a display unit, a mobile power supply, a measuring grip, a quick pressing plate, a guide block, a reinforcing bracket, a calibration bloc...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XUE CHANGMING, ZHAO JIE, LYU LUAN, YU XING, SHEN YUNFENG, YANG SHENGGUO, WANG ZHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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