Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 33/291
Name: Geometrical instruments > Straight-line light ray type > Level (i.e., surveyor's type) > Self leveling
Description: Device wherein adjustment to the horizontal is effected by means requiring no manual handling of the device; e.g., means responsive to terrestrial gravitation.


Query failed!