Drafting material
Dry photosensitive lithographic plate comprising a silicon rubbe
Dry planographic printing plate
Dry processible photosensitive composition including photo-acid
Dry tower for developing electrostatic image, process for produc
Dry transfer film with photosensitized color carrying layer and
Dual-tone photoresist utilizing diazonaphthoquinone resin and ca
Dual-wavelength positive-working radiation-sensitive elements