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Refliiable marker / marker

Refliiable marker

Markers are usually discarded because of nib-abrade after long-time use,
resulting in a resource waste. refillable marker has a detachable nib, you
can change it after discard to reduce waste.


Jiangnan University

Jiangnan University
Wuxi, China


Jiangnan University

Jiangnan University
Wuxi, China

Wenmei Zhang Suhao Di Simin Gan Xin Liu