Modern light; new uses in protecting and improving life
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Word Count
12,000 words, Guess
Page Count
48 pages
Identifiers
- Library of Congress Control Number67024215
- Open LibraryOL5545779M
Classifications
- DDC621.32
- LCCTH7703 .C63
Description
Many examples of new uses or new types of lighting, as used in sports, safety, airports, photography or science.
Subjects
Topics
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