Timing layer for color transfer assemblages comprising a mixture

Timing layer for color transfer film units comprising copolymer

Transfer foil

Transfer process with polyester (meth)acrylate as photopolymer

Transparent photographic masks

Treating agent for diazo-type multicolor reproduction

Triboelectric air filter

Two-component diazotype material

Two-equivalent magenta couplers with amido coupling-off groups

Two-stage electrostatic filter

Two-stage electrostatic filter with extruded modular components

Universal product code marking composition containing a photosen

Use of crown compounds (cyclic polyethers) in litho developers t

Vacuum cleaner and a filter assembly therefor

Vacuum cleaner and a filter assembly therefor

Vacuum cleaner exhaust filter with ion generation stage

Vacuum cleaner utilizing electrostatic filtration and...

Vacuum cleaner utilizing electrostatic filtration and...

Vacuum cleaner utilizing electrostatic filtration and...

Vent assemblies for waste disposal bags