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经营范围
发明名称
Railroad traffic warning system apparatus and method therefor
摘要
申请公布号
AU730512(B2)
申请公布日期
2001.03.08
申请号
AU19970018237
申请日期
1997.01.13
申请人
EVA SIGNAL CORPORATION
发明人
JOSEPH A. PACE
分类号
B61L23/06;B61L29/24;B61L29/28;B61L29/32;(IPC1-7):B61L29/32
主分类号
B61L23/06
代理机构
代理人
主权项
地址
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