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Small no binding pendant, use new type of binding form.
stapling device without staplers,solve the inconvenience of portability staplers
and omitted all the trouble caused by staples.
To use origami method after drilling binding the papers.
chongqing university
chongqing china
chongqing, China
chongqing university
chongqing china
chongqing, China
chongqing university
chongqing china
chongqing, China
chongqing university
chongqing china
chongqing, China
Yu chen
qian deng
chongqing university
chongqing china
chongqing, China