Printed boards and printed board assemblies - Design and use - Part 1-1: Generic requirements; flatness considerations for electronic assemblies (IEC 61188-1-1:1997); German version EN 61188-1-1:1997
印制板和印制板组件.设计和使用.第1-1部分:一般要求;电子组件的平面度考虑(IEC 61188-1-1-1997);德文版EN 61188-1-1:1997