ST 146:2001由美国电气电子工程师学会 US-IEEE 发布于 2001-06-06,并于 2001-06-06 实施。
(1.1) Specifications — This standard specifies a method for the determination of speed of 16-mm, 8-mm type R, and 8-mm type S reversal color camera films intended for direct projection in motion-picture photography. (1.2) Basic standard — ISO 2240 constitutes the basis for this standard.
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