Inspection pitched roof gradient measuring device and using method thereof

The invention provides an inspection pitched roof gradient measuring device and a using method thereof. The device comprises a guiding rule rod attached to a slope roof, a horizontal device for detecting levelness and an adjusting rod for adjusting angles; the guiding rule rod, the horizontal device...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YU HAIYANG, WU YUANCUI, ZHANG YUE, GUAN QICHUN, XIE YINGJIANG, LU CHAO, LIU GUISONG, LIAO DONG, XIE ZHUOYOU, ZHONG JIEKONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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