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The double-duty crutch is specially designed for the leg disabled people, makes them easy and convenient to go to bathroom or have a rest.The crutch can be transformed to a stool with your soft pull.With the crutch's help, disabled can do his or her need conveniently and need not others help.
Zhengzhou lnstitute of Aeronauticallndustry Management
zhengzhou, China
Zhengzhou lnstitute of Aeronauticallndustry Management
zhengzhou, China
Ran Cao
Yingfei Zhao
Dongwei Li
Qingfeng Wang