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ANSI/IES LM-75:2019
Current
Current
The latest, up-to-date edition.
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Approved Method: Guide to Goniometer Measurements and Types, and Photometric Coordinate Systems
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
22-11-2019
Publisher
This document provides definitions of spherical coordinate systems and goniophotometer types used to measure light sources.
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