JIS B 7912-4:2016 Field procedures for testing geodetic and surveying instruments -- Part 4: Electro-optical distance meters (EDM measurements to reflectors)
2016JIS B 7912-4:2016 Field procedures for testing geodetic and surveying instruments -- Part 4: Electro-optical distance meters (EDM measurements to reflectors)
2006JIS B 7912-4:2006 Field procedures for testing geodetic and surveying instruments -- Part 4: Electro-optical distance meters (EDM instruments)
1997JIS B 7910:1997 Electro-optical distance measuring instruments (EDM) -- Field procedures for determining accuracy