因瓦条码水准标尺检定规程
Verification Regulation of Invar Bar-Coded Levelling Staffs
DB/T 90-2022
因瓦水准标尺检定规程
Code of practice for invar levelling staffs verification
2022-12-29
JJF(晋) 52-2021
因瓦条码水准标尺校准规范
Calibration Specification of Invar Barcode Levelling Staffs
2021-09-08
BS 12/30255494 DC
BS ISO 12858-1. Optics and optical instruments. Ancillary devices for geodetic instruments. Part 1. Invar levelling staffs. Part 1: Invar levelling staffs
BS ISO 12858-1 光学和光学仪器 大地测量仪器的辅助设备 第一部分 因瓦水准尺 第1部分:因瓦调平杆
2012-10-30
ISO 12858-1-2014
Optics and optical instruments — Ancillary devices for geodetic instruments — Part 1: Invar levelling staffs
光学和光学仪器 - 大地测量仪器辅助设备 - 第1部分:Invar调平人员
2014-07-28
DIN ISO 12858-1
Optics and optical instruments - Ancillary devices for geodetic instruments - Part 1: Invar levelling staffs (ISO 12858-1:2014)
光学和光学仪器.大地测量仪器的辅助装置.第1部分:因瓦水准尺(ISO 12858-1-2014)