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GB/T 21111-2007  China national standard english version:

　
GB
中华人民共和国国家标准
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 21111-2007

Projection in indoor rooms - Classification of transmitting projection screens and measurement of their transmitted luminance levels
室内放映 透射放映银幕的分类和亮度测定
Issued Date:2007-10-11 　 Implemented Date:2007-12-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 21111-2007
Standard Category China National Standards
GB Standard English Title Projection in indoor rooms - Classification of transmitting projection screens and measurement of their transmitted luminance levels
GB Standard Chinese Title 室内放映 透射放映银幕的分类和亮度测定
Chinese Version Price $5.00  per 1 page
English Translation Fee $15.00~$30.00   per 1 page
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