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The waist bookmark / The waist bookmark

The waist bookmark
The waist bookmark

The book waist has always been controversial in terms of resource wastage and usage, now the waist is integrated with the bookmark to extend the service life of the girdle. It achieves sustainable use of resources and reduces waste on the basis of ensuring effective communication of information.

University

Donghua University

Donghua University
Shanghai, China

Hui Cao,
Donghua University