BS 5550-2.9.2(1980) : 1980被替代
CINEMATOGRAPHY - PROJECTOR SPOOLS - SPECIFICATION FOR SPOOLS FOR 16mm MOTION-PICTURE PROJECTORS (FROM 244m TO 610m CAPACITY: 24cm TO 38cm SIZE)
出版：British Standards Institution
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基本信息
标准编号： BS 5550-2.9.2(1980) : 1980
发布时间：1980/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Specifies the requirements for projector spools for 16 mm cinematograph film from 800 ft to 2000 ft capacity. Describes four sizes of spools, dimensions, features of construction, accuracy of assembly and finish required.
替代本标准的新标准
