DIN Standards Committee Building and Civil Engineering
ISO 12858-1
Optics and optical instruments - Ancillary devices for geodetic instruments - Part 1: Invar levelling staffs
Optik und optische Instrumente - Zusatzausrüstungen für geodätische Instrumente - Teil 1: Präzisionsnivellierlattten
Responsible national committee
NA 005-03-04 AA - Geodetic and surveying instruments (national mirror committee for ISO/TC 172/SC 6)