P-amino substituted tetraphenylthiophenes and electrophotographi
P-Terphenyl organic photoconductors and heterogeneous compositio
Package of photographic light-sensitive film
Package of photosensitive planographic printing plates and...
Package of rolled photosensitive material and preparation thereo
Package structure of planographic printing plates and...
Packaged color photographic film capable of alternatively...
Packaged color photographic film comprising a blocked...
Packaged color photographic film comprising a blocked...
Packaged photographic product containing time and temperature in
Packaged roll-shaped silver halide photosensitive material
Packager of photosensitive material
Packed photographic solid processing agents
Palladium chemical sensitizers for silver halides
Panchromatic electrophotographic recording element containing mu
Panchromatic silver halide photographic element
Panelized printed circuit cables for high volume printed circuit
Panoramic 70mm film system
Paper base transmission display material
Paper for electrostatography using encapsulated toner