Chinese Standard: GB/T 27507-2011

Rewind spindles for 35 mm and 70 mm motion picture—Dimensions

MOD  SMPTE RP 21-2004

机械工业电影和电教机械标准化技术委员会(TC 4)

本标准规定了用于35 mm和70 mm电影放映机，规格为8 mm(5/16 in)和12.7 mm(1/2 in)电影倒片轴的形状和尺寸。
 本标准适用于35 mm和70 mm电影放映机倒片轴。

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