ÖVE/ÖNORM EN 60061-4:2012-04
Заменен
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 4: Guidelines and general information (IEC 60061-4:1990 + supplements A:1992, B:1994, C:1994, D:1995 + A5:1998 to A13:2011, modified) (english version)