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IEC/TR 60887 Ed. 3.0 b:2010
Glass bulb designation system for lamps
"IEC/TR 60887:2010 describes a system of nomenclature that provides designations of the glass bulbs used as envelopes for electric lamps. The application of such designations is directed towards the descriptions of finished lamps. This third edition cancels and replaces the second edition, published in 2003. It constitutes a technical revision. The reason for this new edition is the addition of a new bulb type designation and drawing."
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International Electrotechnical Commission [iec]
International Electrotechnical Commission [iec]