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公开(公告)号：US10227744B2
公开(公告)日：2019-03-12
申请号：US15502107
申请日：2016-11-14
Applicant: Jun Ho Cho , Hee Sung Cho
Inventor： Jun Ho Cho , Hee Sung Cho
Abstract: The present invention relates to a block structure for preventing sand erosion, more specifically to a block structure for preventing sand erosion, which is positioned in the sea, collects sand pushed into sea according to flow of low tide and pushes the collected sand toward coast or coastal side at high tide in coast or sea near coast according to flow of wave.
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