Dental film packet improvement
Dental projection apparatus
Dental x-ray film developing machine
Dental x-ray film developing machine
Dental x-ray holder for use in endodontics
Deoxyribonucleic acid (dna) as an antifoggant and print...
Deposition of visible palladium images
Derivatives of polyglutamic acid as photoconductive substances
Derivatives of thiourazoles
Descrete phase shift mask writing
Desensitized photographic silver halide emulsion
Desensitizers in unfogged silver halide systems
Desensitizing gum for lithographic printing plates
Desk level overhead projector
Detachable process unit for an electrophotographic device
Detack and stripping system
Detecting the location of a sensors field of view
Detection of inconsistencies between a reference and a multi...
Detection system for superposed sheets
Determination of best focus for step and repeat projection...