Cinematography. 17.5 mm film. Sound. - Specification for the positions and width dimensions of recording head gaps for two sound records on 17.5 mm magnetic film Ingestion-build-143074 This standard specifies essential requirements

This standard specifies essential requirements

25 mm to 16 mm

This part of ISO 3815 includes recommendations for preparation of test pieces from zinc and zinc alloys

BS EN ISO 4126-6 gives guidance on the application

BS EN 3844‑3 is used for evaluation of non-metallic materials or constructions used in the interiors of aerospace vehicles but also may be used in other applications as specified in applicable procurement and regulatory documents

Cinematography. 17.5 mm film. Sound. - Specification for the positions and width dimensions of recording head gaps for two sound records on 17.5 mm magnetic film Ingestion-build-143074 This standard specifies essential requirements