BS-ISO-491 Complete Document History
Cinematography. 35 mm motion-picture film and magnetic film. Cutting and perforating dimensions

Complete Current Edition:
   2002 EDITION - CINEMATOGRAPHY, 35 MM MOTION-PICTURE FILM and MAGNETIC FILM, C - Aug. 20, 2002

Obsolete Revision Information:
   1995 EDITION - CINEMATOGRAPHY. 35 MM MOTION-P - Jan. 1, 1995