Packing box cover, packing box and folding method thereof
The invention provides a packing box cover. The packing box cover comprises a covering part and a positioning part; a folding line is arranged on the covering part; and the covering part is folded tomatch with the positioning part to form an accommodating cavity with the object holding capacity. In...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
13.12.2019
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Subjects | |
Online Access | Get full text |
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