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202-230503_needles_1 / 202-230503_needles_1


This is a injection.Design of square, needles do not scroll.
If prior to the shot, there are warning signs, telling us this needle is safe,will be able to achieve the purpose of is not reused needles.


Da-Yeh University

Da-Yeh University
Changhua, Taiwan


Da-Yeh University

Da-Yeh University
Taipei City, Taiwan