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Adjustable Air Supply Valve Of Air Cushion Bed

An adjustable air supply valve of an air cushion bed is disclosed, the air supply valve has an air supply valve installed between a first tube and a second tube. The air supply valve comprises a round...

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Brush With Retractable Bristles

A retractable brush for brushing, cleaning and curling hair comprises an outer tubular member having a pattern of bristle apertures, and an inner tubular member extending lengthwise within the outer t...

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