NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4639-2000
Cinematography--Monophonic 35mm negative photographic sound record on 35 mm motion-picture film--Position and maximum width dimensions 35mm单声道电影光学声底片上声迹的位置和最大宽度尺寸
Issued Date:2000-10-17
Implemented Date:2001-03-01
Issued by:
The Standardization Administration of the People's Republic of China
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