PRISM-TARGET FOR RAIL-ROAD

PURPOSE: A prism target for measuring coordinates of a railroad is provided to reduce time for installing a prism target in a railroad by installing the prism target to be closely joined and to precisely install because a plurality of horizontal gauges and ball bearings. CONSTITUTION: A prism target...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SEO, CHOONG IN, SHIN, JUN SU
Format:	Patent
Sprache:	eng ; kor
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 TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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