White light handleable negative-acting silver halide...
White light handleable photographic materials
Wide latitude heat-sensitive copy-sheet
X-ray film
X-ray film and method of processing
X-ray film and method of processing
X-ray film cassette
X-ray film package
X-ray film with hydrophilic layer containing developing and...
X-ray photographic film
X-ray sensitive electroradiographic elements
Yellow dye-forming couplers exhibiting very low ph sensitivity
Yellow filter layers for multi-layer photographic color...
Yellow-dye-forming couplers