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发明名称
CONSTRUCTION SITE SAFETY
摘要
申请公布号
EP0521917(A4)
申请公布日期
1993.03.31
申请号
EP19910906134
申请日期
1991.03.22
申请人
UNDERWOOD, DANIEL CHARLES
发明人
UNDERWOOD, DANIEL CHARLES
分类号
E04C5/02;E04C5/16;E04C5/20;E04G21/32;(IPC1-7):E04C5/16
主分类号
E04C5/02
代理机构
代理人
主权项
地址
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