IEC 62326-20:2016

Printed boards - Part 20: Printed circuit boards for high-brightness LEDs

IEC 62326-1:2002

Printed boards - Part 1: Generic specification

IEC 62326-4:1996

Printed boards - Part 4: Rigid multilayer printed boards with interlayer connections - Sectional specification

IEC 62326-4-1:1996

Printed boards - Part 4: Rigid multilayer printed boards with interlayer connections - Sectional specification - Section 1: Capability detail specification - Performance levels A, B and C