Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (Endorsed by Asociación Española de Normalización in May of 2017.)
Edition 2017-05-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (Endorsed by Asociación Española de Normalización in October of 2017.)
Edition 2017-10-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (Endorsed by Asociación Española de Normalización in December of 2017.)
Edition 2017-12-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (Endorsed by Asociación Española de Normalización in May of 2018.)
Edition 2018-05-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamps Caps (Endorsed by Asociación Española de Normalización in December of 2018.)
Edition 2018-12-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamps Caps (Endorsed by Asociación Española de Normalización in June of 2019.)
Edition 2019-06-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamps Caps (Endorsed by Asociación Española de Normalización in May of 2022.)
Edition 2022-05-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (Endorsed by Asociación Española de Normalización in July of 2020.)
Edition 2020-07-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (Endorsed by Asociación Española de Normalización in February of 2021.)
Edition 2021-02-01

Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (Endorsed by Asociación Española de Normalización in September of 2022.)
Edition 2022-09-01