Anodized aluminum photographic plates with silver bromide in por

Antifoggants in heat developable photographic materials

Antihalation and filter dyes for photographic materials

Antistatic photographic sensitive materials

Apparatus and method for reducing and removing airborne...

Apparatus for biological purification and filtration of air

Apparatus for cleaning air and for humidifying air

Apparatus for controlling mist and dust in the manufacture...

Apparatus for dedusting a gas at high temperature

Apparatus for electrostatically cleaning particulates from air

Apparatus for extracting water vapor from air

Apparatus for filtering gas turbine inlet air

Apparatus for keeping contamination away from a mask during...

Apparatus for preventing sparking in a high voltage electrical p

Apparatus for removing mist, smoke and particles generated...

Apparatus for separating aerosols or particles from gases

Apparatus for the purification of air flue gases, or equivalent

Apparatus for treating a fluid to increase oxygen...

Apparatus for treating air with electrically charged and uncharg

Apparatus for using ferrite spacers to suppress arc noise in ele