本实用新型涉及一种自动卷绕式过滤器，属于空气净化技术领域。
The utility model relates to an automatic winding filter which belongs to the technical field of air purification. The filter comprises a filter material rack supporting a filter material;
本实用新型涉及一种自动卷绕式过滤器，属于空气净化技术领域。
The utility model relates to an automatic winding filter which belongs to the technical field of air purification. The filter comprises a filter material rack supporting a filter material;
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