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	<title>File:Ch2 Fig39.jpg - Revision history</title>
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	<updated>2026-06-10T10:02:59Z</updated>
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		<id>https://www.iala.int/wiki/dictionary/index.php?title=File:Ch2_Fig39.jpg&amp;diff=6318&amp;oldid=prev</id>
		<title>Oferiks: 2-4-140
RADIAL SCREENS
(here used to reduce the ANGLE OF UNCERTAINTY 2-5-230 of a SECTOR LIGHT 2-5-215)</title>
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		<updated>2009-02-28T19:08:11Z</updated>

		<summary type="html">&lt;p&gt;2-4-140 RADIAL SCREENS (here used to reduce the ANGLE OF UNCERTAINTY 2-5-230 of a SECTOR LIGHT 2-5-215)&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;2-4-140&lt;br /&gt;
RADIAL SCREENS&lt;br /&gt;
(here used to reduce the ANGLE OF UNCERTAINTY 2-5-230 of a SECTOR LIGHT 2-5-215)&lt;/div&gt;</summary>
		<author><name>Oferiks</name></author>
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