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发明名称
SYSTEM FOR EXTENDING BI-DIRECTIONAL SATELLITE RADIO COMMUNICATIONS IN TUNNELS
摘要
申请公布号
CA2647772(A1)
申请公布日期
2007.10.11
申请号
CA20062647772
申请日期
2006.03.30
申请人
FINMECCANICA S.P.A.
发明人
MURA, RODOLFO;LOSQUADRO, GIACINTO;CONFORTO, PAOLO
分类号
H04B7/185
主分类号
H04B7/185
代理机构
代理人
主权项
地址
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