发明名称 DEVICE FOR ELEVATING BUILDING MATERIALS TO IMPROVE WORKING ENVIRONMENT FOR WORKERS
摘要 PURPOSE: A device for elevating building materials is provided to solve the physical pain of workers, reduce personnel cost, and reduce the time for production control. CONSTITUTION: A device for elevating building materials comprises following steps. Two rails(20) are installed on an appropriate location. Four wheels are mounted on the rail using a high-performance magnet.
申请公布号 KR20100039046(A) 申请公布日期 2010.04.15
申请号 KR20080098249 申请日期 2008.10.07
申请人 KIM, WON LAK 发明人 KIM, WON LAK
分类号 E04G21/14;E04G3/20;E04G3/28;E04G21/04 主分类号 E04G21/14
代理机构 代理人
主权项
地址