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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 3639:1981

ISO 3639:1981 Cinematography – Projection reels/spools 75 to 312 mm diameter for 8 mm Type S motion-picture film – Dimensions and specifications

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Description

This International Standard specifies the dimensions for 8 mm Type S motion-picture projection reels/spools of 75 to 312 mm diameter (with the exception of the 75 mm Type No. 7) that are interchangeable on all types of reel-to-reel projection equipment. NOTE – The No. 7 reel (75 mm), although temporarily recognized, will be superseded by that specified in ISO 6033. lt is recommended that new projection equipment and reel/spool manufacturing capacity should comply with the requirements of ISO 6033.

Edition

1

Published Date

1981-10-01

Status

PUBLISHED

Pages

5

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This International Standard specifies the dimensions for 8 mm Type S motion-picture projection reels/spools of 75 to 312 mm diameter (with the exception of the 75 mm Type No. 7) that are interchangeable on all types of reel-to-reel projection equipment. NOTE - The No. 7 reel (75 mm), although temporarily recognized, will be superseded by that specified in ISO 6033. lt is recommended that new projection equipment and reel/spool manufacturing capacity should comply with the requirements of ISO 6033.

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