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ISO 4911:1980
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ISO 4911:1980 Textiles -- Cotton fibres -- Equipment and artificial lighting for cotton classing rooms
standard by International Organization for Standardization, 11/01/1980
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Full Description
Specifies requirements for artificial illumination used for judging the colour of cotton accurately and uniformly. Also describes a method of test for appraising the colour quality of lamps procured for this purpose. Includes requirements for colours to be used on walls and other surfaces in cotton classing rooms, and for maintaining the required level of the performance of lighting system.