发明授权
US4988192A Laser theodolite 失效
激光经纬仪

Laser theodolite
摘要:
The device comprises a horizontally and vertically movably supported laser (1), which is mounted in a forked carrier (7) so as to be rotatable through 360.degree. about a tilt axis (8) which extends at right angles to the laser exit beam (6) and which intersects this beam, in the manner of a theodolite.
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