发明名称 System for protecting underground utilities and preventing damages
摘要 The present invention relates to a system for protecting underground utilities and preventing damages which can be easily manufactured, carried, installed, and removed, and can minimize breakage of underground utilities and danger of an accident due to the breakage, by transmitting direct warning through light or sound in response to pressure applied over a predetermined level, or by transmitting a dangerous situation to an underground utilities management server.
申请公布号 US8587428(B2) 申请公布日期 2013.11.19
申请号 US201013637129 申请日期 2010.11.19
申请人 LEE MYEONG SIK;HIZEN CO., LTD. 发明人 LEE MYEONG SIK
分类号 G08B21/00;G08B13/00 主分类号 G08B21/00
代理机构 代理人
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