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Optics and optical instruments — Ancillary devices for geodetic instruments — Part 1: Invar levelling staffs

Optics and optical instruments — Ancillary devices for geodetic instruments — Part 1: Invar levelling staffs

Overview - ISO 12858-1:2014 (Invar levelling staffs) ISO 12858-1:2014 specifies the principal requirements for Invar levelling staffs used with geodetic and industrial levelling instruments. The stan…