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Substitute Light Sources | Session 9 | 17 Jan 2020 | Teleconference
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World Forum | Session 180 | 9-12
Mar 2020 | Geneva
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Substitute Light Sources | Session 10 | 12 Mar 2020 | Teleconference
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Substitute Light Sources | Session 11 | 25 May 2020 | Teleconference
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Substitute Light Sources | Session 12 | 2 Jul 2020 | Web conference
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Simplification of Lighting Regulations | Session 40 | 26-28
Aug 2020 | Web conference
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Substitute Light Sources | Session 13 | 24 Sep 2020 | Web conference
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Lighting and Light-signalling | Session 83 | 19-23
Oct 2020 | Geneva
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Substitute Light Sources | Session 14 | 20 Nov 2020 | Web conference
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