作者: Song Won Lee
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摘要: A dispensing device (7) that is intended to be mounted on a vertical planar surface such as door (10). The includes an enclosure (13) having first opening (34) and second (37) defined therein. contains airflow valve (43) the (46). An odorous substance (40) disposed inside between two valves (43,46). When (10) swings open or closed, generated along of passes through (43,46) release odors from into area surrounding