KS C IEC 61779-6:2003 Electrical apparatus for the detection and measurement of flammable gases-Part 6:Guide for the selection, installation, use and maintenance of apparatus for the detection and measurement of flammable gases
2003KS C IEC 61779-6:2003 Electrical apparatus for the detection and measurement of flammable gases-Part 6:Guide for the selection, installation, use and maintenance of apparatus for the detection and measurement of flammable gases