Folding wall perpendicularity detection ruler

The utility model discloses a folding wall verticality detection ruler, which relates to the technical field of detection rulers and comprises a main rod, a grip is fixedly mounted at the top of the main rod, a first groove is formed in one side of the grip, a second groove is formed in the main rod...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZHANG LAIBAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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