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发明名称
PREFABRICATED UNDERGROUND TUNNELS FOR PUBLIC UTILITY LINES
摘要
申请公布号
IL71900(D0)
申请公布日期
1984.09.30
申请号
IL19840071900
申请日期
1984.05.23
申请人
ISRAEL ALTERMAN & HOFIT
发明人
分类号
E02D;(IPC1-7):E02D/
主分类号
E02D
代理机构
代理人
主权项
地址
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