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发明名称
Обделка тоннелей из железобетонных блоков
摘要
申请公布号
SU84501(A1)
申请公布日期
1949.11.30
申请号
SU19490398298
申请日期
1949.06.01
申请人
UMANSKIJ B.YA.
发明人
UMANSKIJ B.YA.
分类号
E21D11/08
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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