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New roll paper / New roll paper

New roll paper
New roll paper

Existing paper core of roll paper is not easy to pull out.

People always need to take a lot of effort to get it out.

One end of the new roll of paper core is closed.

Just go toward outside push can you easily remove the paper core.

University

South China Agricultural University

South China Agricultural University
Guangzhou, China

Design

South China Agricultural University

South China Agricultural University
Guangzhou, China

Guilong chen