Measuring tool for engineering

The invention discloses a measuring tool for engineering, and relates to the technical field of engineering surveying and mapping, and the measuring tool comprises a round seat and an external sleeve, one end of the surface of the external sleeve is fixedly provided with a fixed ring, two sides of t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HONG XIAOYA, KONG HUAN, ZHOU AIMIN, LI YANPING, MIAO LU, MA LAIQIAO, LI SHENGNAN, YUE MAN, CHANG YONGKUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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