IEC 81714-2 Ed. 1.0 b:1998

Design of graphical symbols for use in the technical documentation of products – Part 2: Specification for graphical symbols in a computer sensible form including graphical symbols for a reference library, and requirements for their interchange
standard by International Electrotechnical Commission, 11/06/1998

IEC 80601-2-59 Ed. 2.0 b:2017

Medical electrical equipment – Part 2-59: Particular requirements for the basic safety and essential performance of screening thermographs for human febrile temperature screening
standard by International Electrotechnical Commission, 09/19/2017

IEC 63068-2 Ed. 1.0 en:2019

Semiconductor devices – Non-destructive recognition criteria of defects in silicon carbide homoepitaxial wafer for power devices – Part 2: Test method for defects using optical inspection
standard by International Electrotechnical Commission, 01/30/2019