Invention Grant
US07793860B2 Piston actuated vapor-dispersing device 有权
活塞致动气体分散装置

Piston actuated vapor-dispersing device
Abstract:
A vapor-dispersing device comprising a moveable piston with a porous protuberance is described that operates by the repetitive movement of the piston to intermittently dip the porous member into a volatile liquid and to expel air out through vents.
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