Convenient bag for killing dust mite in high efficiency
The invention discloses a convenient bag for killing dust mites in high efficiency. The bag is black rectangular. The periphery of the bag is in a sprocket structure. Beginning and end of a zipper are respectively on middle parts of two long edges, that is, a puller with a pulling piece and a bolt a...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
19.12.2017
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Subjects | |
Online Access | Get full text |
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