One-way fresh air purification and exhaust all-in-one machine
The utility model discloses a one-way fresh air purification and exhaust all-in-one machine, which relates to the field of fresh air machines and comprises a main outer shell, an outdoor air inlet flange is fixedly connected to the inner side edge of the main outer shell through bolts, and air inlet...
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Format: | Patent |
Sprache: | chi ; eng |
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