Institute of Electrical and Electronics Engineers (IEEE)
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SMPTE ST 75:1994
Scope
This standard specifies a method for designating the type of winding for rolls of single-row perforated and multiple-row, nonsymmetrically perforated motion-picture raw stock film in terms of the reference edge.
SMPTE ST 75:1994 history
1994SMPTE ST 75:1994 ST 75:1994 - SMPTE Standard - For Motion-Picture Film — Raw Stock — Designation of A and B Windings