Device for collecting charged particles with the aid of an...
Device for ionizing particles carried in an airflow, for...
Diazo compositions and diazotype materials prepared from same
Diazo photographic materials containing 2-hydroxy 3-naphthanilid
Diazotype composition
Dimensionally stable polyester film supports with subbing layer
Discharge electrode
Dry planographic printing plate
Dye containing photographic sensitive elements
Dye-containing silver halide photographic light-sensitive materi
Dye-containing silver halide photographic light-sensitive materi