Digital caliper for measuring diameter of inner groove of inner groove

The utility model relates to the technical field of measuring tools, and discloses a digital caliper for measuring the diameter of an inner groove of an inner groove. The fastening bolt is rotated to be separated from the inner distance measuring claw, then when the inner distance measuring claw sli...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHOU XIANSHUN, LUO YONGFAN
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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