Outer shell structure of second-hand smoke air purification device
The utility model discloses a shell structure of a second-hand smoke air purification device. The shell structure comprises a cuboid-shaped supporting framework (1), a plurality of plate clamping grooves are formed in the supporting framework (1); the front face, the rear face, the left face, the ri...
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Format: | Patent |
Sprache: | chi ; eng |
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