| 4-72 , 4-68 , 4-79 type
air blower can ventilate nursery is it spend to
take a breath in room of general factory and large-scale
building, send the air and unatural , harmless to
the human body mainly, to the gas without corrosivity
of steel. 4-72 type air blower most extensive is
it is it suitable for relatively to take a breath
to ventilating use have at present Air blower. |
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