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Color codes for USSR tubes Jovan 0 3789 April 19, 2021, 03:19:38 PM
by Jovan
Color codes for Philips lamps Jovan 0 3369 April 13, 2021, 12:57:37 PM
by Jovan
Osram changed datecodes again. Alex 1 4540 March 02, 2021, 02:42:20 PM
by James
A comprehensive list of sealed beam lamps (wanted) HomeBrewLamps 3 4853 February 22, 2021, 12:47:54 AM
by wide-lite 1000
OV- 15 manufacturing date? Metal Halide Boy 3 4901 January 22, 2021, 05:20:59 AM
by LightsDelight
Tesla and Tež color codes Jovan 0 3315 December 25, 2020, 12:00:14 PM
by Jovan
Can someone decode this ? Jovan 0 3634 November 24, 2020, 12:48:04 PM
by Jovan
Does any one have Lamp specs for 20 watt CMH funkybulb 5 7095 November 15, 2020, 02:28:46 PM
by lights*plus
Does anyone have ANSI C78.40? (Mercury Lamp Specs) Mr. Orthosilicate 1 8921 September 23, 2020, 10:18:03 AM
by James
Leviton Date Codes flyoffacliff 3 10011 August 19, 2020, 12:14:50 AM
by flyoffacliff
Date Code Calculators joseph_125 1 5772 August 02, 2020, 11:59:19 AM
by sox35
My LM Unistyle CreeRSW207 2 8047 July 16, 2020, 12:59:02 AM
by wide-lite 1000
Date Codes? « 1 2 » wattMaster 20 19841 February 11, 2017, 04:46:57 PM
by James
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