Invention Grant
US07695538B2 Negative pressure dust collector with a dust receiving bag smoothly inflatable 有权
负压集尘器带有收尘袋,平稳充气

Negative pressure dust collector with a dust receiving bag smoothly inflatable
Abstract:
A negative pressure dust collector with a dust receiving bag comprises a ventilation hood and an exhaust device. The ventilation hood includes a motor, fan blades, and a first exit. A dust collection tank is positioned below the first exit. The exhaust device comprises a ventilation tube and a flexible tube.
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