Multipurpose audio-visual cassette system
Multipurpose film cassette having a processor disabling valve re
Multipurpose film cassette having balanced force process mode sw
Multipurpose film cassette having one-piece process mode switch
Multipurpose film cassette having one-piece rotating process mod
Multipurpose film handling cassette having a modular film proces
Multipurpose film handling cassette having preliminary assembly
Multipurpose photographic film handling cassette having an impro