Groove size self-checking device for road construction

The utility model discloses a groove size self-checking device for road construction. The device comprises a vertical rod and a left extension arm, vertical devices are fixed to the two sides of the lower end of the vertical rod, a control box is arranged at the top end of the upper side of the vert...

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Bibliographische Detailangaben
Hauptverfasser:	SHAO ZHUJIN, LI HUI, SUN HAILONG, MA ZHEN, ZHANG BINGHUA, WANG WEIQIANG, SU XIN
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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