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公开(公告)号：US20200284318A1
公开(公告)日：2020-09-10
申请号：US16752819
申请日：2020-01-27
Applicant: SAMWON ACT CO., LTD.
Inventor： Kwang Ho BAE
IPC: F16G3/08
Abstract: The present invention provides a belt member comprising: a tubular body; and a belt member unit comprising #1 protrusion area located at #1 predetermined position of the body, where by inserting and placing each protrusion area of layer #2 belt member in each opening of layer #1 belt member, the layer #1 belt member and the layer #2 belt member can be prevented from falling out.
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