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17-31-042

mast-head light, <of a vessel>

navigation light positioned above the longitudinal axis of a vessel, and designed to show a fixed white light forwards and to the sides of the vessel

Note 1 to entry: This entry was numbered 845-11-45 in IEC 60050-845:1987.

Note 2 to entry: This entry was numbered 17-757 in CIE S 017:2011.

Publication date: 2020-12
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