KS A ISO/IEC GUIDE 43-1:2013 Proficiency testing by interlaboratory comparisons-Part 1:Development and operation of proficiency testing schemes by laboratory accreditation bodies
2013KS A ISO/IEC GUIDE 43-1:2013 Proficiency testing by interlaboratory comparisons-Part 1:Development and operation of proficiency testing schemes by laboratory accreditation bodies
0000 KS A ISO/IEC GUIDE 43-1-2002(2012)
2002KS A ISO/IEC GUIDE 43-1:2002 Proficiency testing by interlaboratory comparisons-Part 1:Development and operation of proficiency testing schemes by laboratory accreditation bodies