The utility model belongs to a medical appliance, which mainly solves the problem of drop of the foreign body in the prior art.
本实用新型属于一种医疗器械。主要解决现有技术易造成异物脱落的问题。
A multifunctional pen is provided, which belongs to a stationery product and mainly solves the problem that the prior art has single function.
一种多功能笔，属于一种文具，主要解决普通笔用途单一的问题。
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