KS C IEC 62326-4-1-2021 Printed boards-Part 4:Rigid multilayer printed boards with interlayer connections-Sectional specification-Section 1:Capability Detail Specification-Performance levels A, B, and C
2021KS C IEC 62326-4-1-2021 Printed boards-Part 4:Rigid multilayer printed boards with interlayer connections-Sectional specification-Section 1:Capability Detail Specification-Performance levels A, B, and C
0000 KS C IEC 62326-4-1-2011(2016)
2011KS C IEC 62326-4-1:2011 Printed boards-Part 4:Rigid multilayer printed boards with interlayer connections-Sectional specification-Section 1:Capability Detail Specification-Performance levels A, B, and C