Apparatus and method for air sampling

Apparatus for producing oxygen enhanced gas from air

Colored light-sensitive silver halide photographic material with

Compact air dryer

Composition for hardening photographic hydrophilic binder and ph

Continuous flow air dryer with double helix split desiccant bed

Control means for molecular sieve on-board oxygen generator

Cooler using filter with dehumidifying function

Crosslinkable polymers having vinylsulfonyl groups or styrylsulf

Dehumidifier using non-rotating desiccant material

Detachable handle for paint roller pan

Device for drying air for motor vehicles

Device for filtering hot and dusty gases

Device for recovering the vapors leaving a motor vehicle gasolin

Device of supplying a concentrated CO.sub.2 gas in a carbonate s

Dry image forming material

Energy efficient desiccant dryer regeneration system

Exhaust gas cleaning system for an engine

Fan filter unit for cleanroom

Fluid fractionator