Respirator and humidifying water tank assembly thereof
The utility model discloses a humidification water tank assembly which comprises a water tank, a humidification water tank cover, a humidification water tank cover and a humidification water tank cover. The anti-backflow pipe is arranged in the water tank, the end part of the first end of the anti-b...
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Format: | Patent |
Sprache: | chi ; eng |
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