IEVref:845-28-020ID:
Language:enStatus: Standard
Term: prefocus cap
Synonym1: prefocus base
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Definition: cap which enables the luminous element to be brought into a specified position relative to the cap during manufacture of the electric lamp so that reproducible positioning can be assured when the electric lamp is inserted in a suitable lampholder

Note 1 to entry: This entry was numbered 845-08-20 in IEC 60050-845:1987.


Publication date:2020-12
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