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The Drawing-pin stamper is designed for the use of Pushpin tool, users can incorporate into pushpin box, you can use it to complete all the pushpin binding, and the extractor incorporating action.
It offers users a simple binding pushpin, and extractor pushpin action, and quickly pulled out of the pushpin directly admitted to incorporate pushpin box. Users do not need to direct the use of hand-to crawl pushpin, and reduce pushpin the hands of users falling from the ground, leading to other people did not notice the pushpin falling, while the injured foot chance.
National Cheng Kung University
Tainan City, Taiwan
TsungYu Chang ChunTung Chen