Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (IEC 60061-1:1969 + supplements A:1970 to V:1997 + A21:1998 to A32:2003 + A33:2003, modified); German version EN 60061-1:1993 + A1:1995 to A7:1997 + A21:1998 to A32:2003 + A33:2003— 315 стр.
Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859-1:1999 including Technical Corrigendum 1:2001)— 191 стр.