2019DIN EN 60061-4:2019-06 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 to D:1995 + A5:1998 to A16:2018, modified); German version EN 60061-4:1992 +...
2018DIN EN 60061-4:2018 Lamp bases and sockets and gauges for checking interchangeability and safety – Part 4: Guide and general information
2012DIN EN 60061-4:2012 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 A13:2010, modified); German version EN 600
2010DIN EN 60061-4:2010 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 A12:2009, modified); German version EN 600
2008DIN EN 60061-4:2008 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 A11:2007, modified); German version EN 600