Samenvatting
Some types of double-flux lamps are dealt with in detail, in particular as for as light efficiencies, possible arrangements and the dependence of the luminous flux on the ambient temperature are concerned.
Some types of double-flux lamps are dealt with in detail, in particular as for as light efficiencies, possible arrangements and the dependence of the luminous flux on the ambient temperature are concerned.
Electrotechniek, Vol. 39 (1961), No. 18, p. 3-6
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