Inverted ruler frame capable of adjusting observation position of leveling staff

The utility model relates to an inverted ruler frame capable of adjusting the observation position of a leveling staff. The inverted ruler frame comprises a main board, a fixation baffle, an adjustable baffle, a lantern ring and a high strength magnet. The main board is divided into a left disk and...

Full description

Saved in:
Bibliographic Details
Main Authors DU WENZHAO, ZHANG HEKUN
Format Patent
LanguageChinese
English
Published 13.08.2014
Subjects
Online AccessGet full text

Cover

Loading…