IS 15483-1 : 2019现行
Optics and Optical Instruments a€” Ancillary Devices for Geodetic Instruments Part 1 Inver Levelling Staffs ( First Revision )
出版：Bureau of Indian Standards
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基本信息
标准编号： IS 15483-1 : 2019
标准类别：Revision
出版单位：Bureau of Indian Standards
标准页数：0
标准简介
This part of ISO 12858 specifies the most important requirements of Invar levelling staff used in deodesy and industry for precise measurement of height in combination with either an optical mechanical level euied with a parallel plate micrometer or a digital level of comparable precision .
