Half tone screen for rotary gravure printing
Half-tone screen making by decapitation of substrate projections
Hand-held multiple system gas chromatograph
Handrail for variable speed moving walkway
Hardening developers for silver halide photography
Hardening fixer for photographic silver halide material
Hardening photographic layers containing silver halide with a 1-
Heat developable imaging materials and process
Heat developable light sensitive material
Heat developable light-sensitive diazotype materials and process
Heat developable light-sensitive material
Heat developable light-sensitive material
Heat developable light-sensitive material
Heat developable light-sensitive material incorporating a substi
Heat developable light-sensitive materials
Heat developable light-sensitive oxazoline containing element
Heat developable photographic material and process
Heat developable photographic material and process comprising tr
Heat developable photographic materials and process
Heat developable photosensitive material containing compounds of