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经营范围
发明名称
Evacuation sound system in road and railway tunnels
摘要
申请公布号
CZ26807(U1)
申请公布日期
2014.04.30
申请号
CZ20130029035U
申请日期
2013.12.31
申请人
ELTODO, A.S.
发明人
KRAJ&Ccaron,ÍR DU&Scaron,AN;P&Rcaron,IKRYL JAN
分类号
G08G1/16;E21F17/06;G08B1/08;G08B3/10;G08G1/09
主分类号
G08G1/16
代理机构
代理人
主权项
地址
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